701.
PENDULUM.
New York: Simon and Schuster, [1968]. Octavo, cloth. First edition. (#161714)
More Details about PENDULUM
Tale of the Future
702.
PLANET IN PERIL.
New York: Avon Book Division, [1959]. Small octavo, pictorial wrappers. First U.S. edition. (#144010)
More Details about PLANET IN PERIL
703.
THE WORLD IN WINTER.
London: Eyre & Spottiswoode, 1962. Octavo, boards. First edition. (#155265)
More Details about THE WORLD IN WINTER
704.
A SHORT HISTORY OF THE FUTURE ... BASED ON THE MOST RELIABLE AUTHORITIES WITH MAPS, ETC.
London: Werner Laurie, [1955]. Octavo, three maps, one chart, boards. First edition. (#141783)
More Details about A SHORT HISTORY OF THE FUTURE ... BASED ON THE MOST RELIABLE AUTHORITIES WITH MAPS, ETC
705.
SKYRAFT.
London: Newnes, n.d. [1937]. Octavo, pp. [1-4] 5 [6] 7-247 [248], inserted frontispiece, original blue cloth, spine panel stamped in black. First edition. (#152964)
More Details about SKYRAFT
706.
MORE THAN MOON: A NOVEL.
London: Centaur Press, 1961. Octavo, boards. First edition. (#23131)
More Details about MORE THAN MOON: A NOVEL
707.
NUMBER 10.
Boston: Houghton Mifflin Company, 1967. Octavo, boards. First U.S. edition. (#22761)
More Details about NUMBER 10
708.
SPECIAL RELATIONSHIP.
London: Heinemann, [1968]. Octavo, boards. First edition. (#21198)
More Details about SPECIAL RELATIONSHIP
709.
2001: A SPACE ODYSSEY.
[New York]: The New American Library, [1968]. Octavo, boards. First edition. (#86904)
More Details about 2001: A SPACE ODYSSEY
710.
2001: A SPACE ODYSSEY.
[New York]: The New American Library, [1968]. Octavo, boards. First edition. (#88847)
More Details about 2001: A SPACE ODYSSEY
711.
2001: A SPACE ODYSSEY.
[New York]: The New American Library, [1968]. Octavo, boards. First edition. (#114575)
More Details about 2001: A SPACE ODYSSEY
712.
2001: A SPACE ODYSSEY.
[New York]: The New American Library, [1968]. Octavo, boards. First edition. (#138778)
More Details about 2001: A SPACE ODYSSEY
713.
EARTHLIGHT.
New York: Ballantine Books, [1955]. Octavo, cloth. First edition. (#96196)
More Details about EARTHLIGHT
714.
EARTHLIGHT.
New York: Ballantine Books, [1955]. Octavo, cloth. First edition. (#102378)
More Details about EARTHLIGHT
715.
EARTHLIGHT.
New York: Ballantine Books, [1955]. Octavo, cloth. First edition. (#148619)
More Details about EARTHLIGHT
716.
EARTHLIGHT.
New York: Ballantine Books, [1955]. Octavo, cloth. First edition. (#150104)
More Details about EARTHLIGHT
717.
EARTHLIGHT.
New York: Ballantine Books, [1955]. Small octavo, pictorial wrappers. First edition. (#158223)
More Details about EARTHLIGHT
718.
EXPEDITION TO EARTH.
New York: Ballantine Books, [1953]. Octavo, boards. First edition. (#148620)
More Details about EXPEDITION TO EARTH
719.
EXPEDITION TO EARTH.
New York: Ballantine Books, [1953]. Large octavo, plain gray wrappers, Ballantine Books mailing label pasted onto front cover with typewritten publication data, black plastic spiral spine. Advance copy (bound unpaged galley proofs) of the first edition. (#156419)
More Details about EXPEDITION TO EARTH
720.
EXPEDITION TO EARTH.
New York: Ballantine Books, [1953]. Small octavo, pictorial wrappers. First edition. (#158222)
More Details about EXPEDITION TO EARTH
721.
IMPERIAL EARTH.
London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. (#1447)
More Details about IMPERIAL EARTH
722.
IMPERIAL EARTH.
London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. (#21042)
More Details about IMPERIAL EARTH
723.
IMPERIAL EARTH.
London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. (#89218)
More Details about IMPERIAL EARTH
724.
IMPERIAL EARTH.
London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. (#140795)
More Details about IMPERIAL EARTH
725.
IMPERIAL EARTH.
London: Victor Gollancz Ltd, 1975. Octavo, boards. First edition. (#145514)
More Details about IMPERIAL EARTH
726.
FIRSTBORN. A TIME ODYSSEY: BOOK THREE.
London: Gollancz, [2008]. Octavo, boards. First edition. (#148622)
More Details about FIRSTBORN. A TIME ODYSSEY: BOOK THREE
727.
CYBERNETIC CONTROLLER.
London: [Panther Books] Printed in Great Britain and Published by Hamilton & Co. (Stafford), Ltd., [1952]. Octavo, pictorial wrappers. First edition. (#139088)
More Details about CYBERNETIC CONTROLLER
728.
MORGAN ROCKEFELLER'S WILL: A ROMANCE OF 1991-2.
Portland, Oregon: Clarke-Cree Publishing Co., 1909. Octavo, pp. [1-6] [1] 2-306 [307-310: blank] [note: first and last two leaves are blanks], original pictorial green cloth, front cover stamped in black. First edition. (#20142)
More Details about MORGAN ROCKEFELLER'S WILL: A ROMANCE OF 1991-2
729.
BRITISH FUTURE FICTION: THE BEGINNINGS; NEW WORLDS; THE MARVELS OF MECHANISM; WOMEN'S RIGHTS: YEA AND NAY; WOMEN TRIUMPHANT; THE NEXT GREAT WAR; DISASTERS-TO-COME; and THE END OF THE WORLD.
London: Pickering & Chatto, 2001. Octavo, eight volumes, cloth. First edition. (#139751)
More Details about BRITISH FUTURE FICTION: THE BEGINNINGS; NEW WORLDS; THE MARVELS OF MECHANISM; WOMEN'S RIGHTS: YEA...
730.
THE TALE OF THE NEXT GREAT WAR, 1871-1914: FICTIONS OF FUTURE WARFARE AND OF BATTLES-STILL-TO-COME.
Syracuse: Syracuse University Press, [1996]. Octavo, pictorial wrappers. First edition, U.S. issue. (#144583)
More Details about THE TALE OF THE NEXT GREAT WAR, 1871-1914: FICTIONS OF FUTURE WARFARE AND OF BATTLES-STILL-TO-COME
731.
CLOSE TO CRITICAL.
New York: Ballantine Books, [1964]. Small octavo, pictorial wrappers. First edition. (#87812)
More Details about CLOSE TO CRITICAL
732.
CLOSE TO CRITICAL.
London: Victor Gollancz Ltd, 1966. Octavo, boards. First British (and first hardcover) edition. (#148610)
More Details about CLOSE TO CRITICAL
733.
CLOSE TO CRITICAL.
New York: Ballantine Books, [1964]. Small octavo, pictorial wrappers. First edition. (#158145)
More Details about CLOSE TO CRITICAL
734.
FROM OUTER SPACE.
[New York]: Avon Publications, Inc., [1957]. Small octavo, pictorial wrappers. First paperback edition. (#144011)
More Details about FROM OUTER SPACE
735.
HALF LIFE.
New York: Tor, [1999]. Octavo, boards. First edition. (#103370)
More Details about HALF LIFE
736.
NATIVES OF SPACE.
New York: Ballantine Books, [1965]. Small octavo, pictorial wrappers. First edition. (#87814)
More Details about NATIVES OF SPACE
737.
NATIVES OF SPACE.
New York: Ballantine Books, [1965]. Small octavo, pictorial wrappers. First edition. (#88717)
More Details about NATIVES OF SPACE
738.
NATIVES OF SPACE.
New York: Ballantine Books, [1965]. Small octavo, pictorial wrappers. First edition. (#158154)
More Details about NATIVES OF SPACE
739.
THEY'D RATHER BE RIGHT.
New York: Gnome Press, Inc., Publishers, 1957. Octavo, boards. First edition. (#148636)
More Details about THEY'D RATHER BE RIGHT
740.
THEY'D RATHER BE RIGHT.
New York: Gnome Press, Inc., Publishers, 1957. Octavo, boards. First edition. (#154945)
More Details about THEY'D RATHER BE RIGHT
741.
THEY'D RATHER BE RIGHT.
New York: Gnome Press, Inc., Publishers, 1957. Octavo, boards. First edition. (#157700)
More Details about THEY'D RATHER BE RIGHT
742.
THEY'D RATHER BE RIGHT.
New York: Gnome Press, Inc., Publishers, 1957. Octavo, boards. First edition. (#165209)
More Details about THEY'D RATHER BE RIGHT
743.
BUTTON BRAINS.
London: Herbert Jenkins Limited, [1933]. Octavo, pp. [i-iv] v-vi [7-8] 9-312 [313-320: ads], original orange cloth, front, spine and rear panels stamped in black. Second printing. (#162721)
More Details about BUTTON BRAINS
744.
THE CAPTAIN OF THE "MARY ROSE:" A TALE OF TO-MORROW.
London: Tower Publishing Co., Ltd., 1892. Large octavo, pp. [i-xi] xii [xiii] xiv-xvi [1] 2-308, 60 full-page illustrations by the Chevalier Edouardo de Martino and Fred T. Jane, original pictorial bevel-edged blue cloth, front and spine panels stamped in black and gold, white endpapers with floral pattern printed in green. First edition. (#156380)
More Details about THE CAPTAIN OF THE "MARY ROSE:" A TALE OF TO-MORROW
745.
THE DOUBLE EMPEROR: A STORY OF A VAGABOND CUNARDER.
London: Edward Arnold, n.d. [1894]. Octavo, pp. [1-8] [1] 2-238 [239-240: ads], eight inserted plates with illustrations by Fred T. Jane, original pictorial blue bevel-edged cloth, front and spine panels stamped in black and silver, olive-green patterned endpapers. First edition. (#20152)
More Details about THE DOUBLE EMPEROR: A STORY OF A VAGABOND CUNARDER
746.
THE DOUBLE EMPEROR: A STORY OF A VAGABOND CUNARDER.
Philadelphia: J. B. Lippincott Company, 1894. Octavo, pp. [1-8] [1] 2-238 [239-248: ads], flyleaves at front and rear, eight inserted plates with illustrations by Fred T. Jane, original pictorial gray cloth, front and spine panels stamped in green, red, black and gold. First U.S. edition. (#113818)
More Details about THE DOUBLE EMPEROR: A STORY OF A VAGABOND CUNARDER
747.
UNDER THE TRIPLE SUNS.
Reading, Pennsylvania: Fantasy Press, [1955]. Octavo, cloth. First edition. (#157701)
More Details about UNDER THE TRIPLE SUNS
748.
THE BLUE BARBARIANS.
New York: Avalon Books, [1958]. Octavo, cloth. First edition. (#148639)
More Details about THE BLUE BARBARIANS
749.
THE BLUE BARBARIANS.
New York: Avalon Books, [1958]. Octavo, cloth. First edition. (#165592)
More Details about THE BLUE BARBARIANS
750.
THE CRIMSON CAPSULE.
New York: Avalon Books, [1967]. Octavo, cloth. First edition. (#168914)
More Details about THE CRIMSON CAPSULE
751.
LORD OF TRANERICA.
New York: Avalon Books, [1966]. Octavo, cloth. First edition. (#140804)
More Details about LORD OF TRANERICA
752.
LORD OF TRANERICA.
New York: Avalon Books, [1966]. Octavo, cloth. First edition. (#151138)
More Details about LORD OF TRANERICA
753.
NEXT DOOR TO THE SUN.
New York: Avalon Books, [1960]. Octavo, cloth. First edition. (#165594)
More Details about NEXT DOOR TO THE SUN
754.
THE PLANET OF YOUTH.
Los Angeles: Fantasy Publishing Company, Inc., [1952]. Octavo, blue wrappers printed in black. First edition, later binding. (#86332)
More Details about THE PLANET OF YOUTH
755.
UNDER THE TRIPLE SUNS.
Reading, Pennsylvania: Fantasy Press, Inc., [1955]. Octavo, cloth. First edition. (#89242)
More Details about UNDER THE TRIPLE SUNS
756.
THE WALL AROUND THE WORLD.
New York: Pyramid Books, [1962]. Small octavo, pictorial wrappers. First edition. (#143977)
More Details about THE WALL AROUND THE WORLD
757.
THE FUTURE LIKE A BRIDE.
Boston: Beacon Press, [1958]. Octavo, cloth-backed boards. First edition. (#22661)
More Details about THE FUTURE LIKE A BRIDE
758.
THE PHILOSOPHICAL CORPS.
Hicksville, New York: The Gnome Press, Inc., [1961]. Octavo, cloth. First edition. (#162542)
More Details about THE PHILOSOPHICAL CORPS
759.
THE PHILOSOPHICAL CORPS.
Hicksville, New York: The Gnome Press, Inc., [1961]. Octavo, cloth. First edition. (#165601)
More Details about THE PHILOSOPHICAL CORPS
760.
THE STRUGGLE FOR EMPIRE: A STORY OF THE YEAR 2236.
London: Elliot Stock, 1900. Octavo, pp. [1-8] [1] 2-213 [214-216: blank] [note: first and last leaves are blanks], original dark olive green cloth, front and spine panels stamped in gold, black coated endpapers, all edges untrimmed. First edition. (#139557)
More Details about THE STRUGGLE FOR EMPIRE: A STORY OF THE YEAR 2236
761.
THE DEATH TRAP.
London: Greening & Co., Ltd., 1907. Octavo, pp. [1-8] [1] 2-312 [note: first leaf is a blank], original brown cloth, front panel stamped in black, spine panel stamped in gold. First edition. (#152366)
More Details about THE DEATH TRAP
762.
THE SUPERNATURALIST.
New York: Miramax Books Hyperion Books for Children, [2004]. Octavo, boards. First U.S. edition. (#162014)
More Details about THE SUPERNATURALIST
763.
TOM'S A-COLD.
London: Macmillan and Co., Limited, 1933. Octavo, pp. [1-8] 1-320, original green cloth, black paper label stamped in gold affixed at head of spine panel, "Macmillan" imprint stamped in gold at tail of spine panel. First edition. (#21969)
More Details about TOM'S A-COLD
764.
TOM'S A-COLD.
London: Macmillan and Co., Limited, 1933. Octavo, pp. [1-8] 1-320, original green cloth, black paper label stamped in gold affixed at head of spine panel, "Macmillan" imprint stamped in gold at tail of spine panel. First edition. (#130699)
More Details about TOM'S A-COLD
765.
MARINERS OF SPACE.
London and Redhill: Lutterworth Press, [1944]. Octavo, cloth. First edition. (#105676)
More Details about MARINERS OF SPACE
766.
CYBERSKIN.
[Ormond, Victoria, Australia]: Hybrid Publishers, [2000]. Small octavo, pictorial wrappers. First edition. (#146432)
More Details about CYBERSKIN
767.
CYBERSKIN.
[Ormond, Victoria, Australia]: Hybrid Publishers, [2000]. Small octavo, pictorial wrappers. First edition. (#158580)
More Details about CYBERSKIN
768.
THE EARTHBORN.
New York: Tor, [2003]. Octavo, boards. First edition. (#148646)
More Details about THE EARTHBORN
769.
THE GREAT WAR OF 189-: A FORECAST.
London: William Heinemann, 1893. Octavo, pp. [i-vii] viii [ix] x [xi-xii] [1] 2-308, three inserted folding plates, one inserted folding map, numerous other illustrations in the text, original pictorial olive-green cloth, front panel stamped in black and light brown, spine panel stamped in gold, fore and bottom edges untrimmed. First edition. (#156379)
More Details about THE GREAT WAR OF 189-: A FORECAST
770.
THE GREAT WAR OF 189-: A FORECAST.
London: William Heinemann, 1893. Octavo, pp. [i-vii] viii [ix] x [xi-xii] [1] 2-308, three inserted folding plates, one inserted folding map, numerous other illustrations in the text, original pictorial red cloth, front panel stamped in black and gray, publisher's monogram stamped in blind on rear panel, spine panel stamped in gold, top edge untrimmed, other edges trimmed. First edition. (#141871)
More Details about THE GREAT WAR OF 189-: A FORECAST
771.
DASHED AGAINST THE ROCK: A ROMANCE OF THE COMING AGE.
Boston: Colby & Rich, Publishers, 1894. Octavo, pp. [1-2] 3-310 [311-312: ads] [313-314: blank] [note: last leaf is a blank], diagrams in text, original red cloth, front and rear panels ruled in blind, spine panel lettered and ruled in gold. First edition. (#130701)
More Details about DASHED AGAINST THE ROCK: A ROMANCE OF THE COMING AGE
772.
THE SILENT MULTITUDE.
New York: Ace Publishing Corporation, [1969]. Small octavo, pictorial wrappers. First U.S. edition. (#75063)
More Details about THE SILENT MULTITUDE
773.
THE STEEL CROCODILE.
Boston: Gregg Press, 1976. Octavo, cloth. First U.S. hardcover edition, first printing (250 copies). (#105838)
More Details about THE STEEL CROCODILE
774.
THE STEEL CROCODILE.
New York: Ace Publishing Corporation, [1970]. Small octavo, cover art by the Dillons, pictorial wrappers. First edition. (#75064)
More Details about THE STEEL CROCODILE
775.
THE STEEL CROCODILE.
New York: Ace Publishing Corporation, [1970]. Small octavo, cover art by the Dillons, pictorial wrappers. First edition. (#132361)
More Details about THE STEEL CROCODILE
776.
THE STEEL CROCODILE.
New York: Ace Publishing Corporation, [1970]. Folio, loose sheets, printed on rectos only. Unpaged galleys of the first edition. (#140294)
More Details about THE STEEL CROCODILE
777.
4 FOR THE FUTURE.
New York: Pyramid Books, [1959]. Small octavo, pictorial wrappers. First edition. (#157957)
More Details about 4 FOR THE FUTURE
778.
POSSIBLE TOMORROWS.
London: Sidgwick & Jackson, [1972]. Octavo, boards. First British (and first hardcover) edition. (#148647)
More Details about POSSIBLE TOMORROWS
779.
I AM NOT THE OTHER HOUDINI.
New York, Hagerstown, San Francisco, London: Harper & Row, Publishers, [1978]. Octavo, boards. First edition. (#21218)
More Details about I AM NOT THE OTHER HOUDINI
780.
I AM NOT THE OTHER HOUDINI.
New York, Hagerstown, San Francisco, London: Harper & Row, Publishers, [1978]. Octavo, boards. First edition. (#104308)
More Details about I AM NOT THE OTHER HOUDINI
781.
A WORLD OF DIFFERENCE.
New York: Ballantine Books, [1964]. Small octavo, pictorial wrappers. First U.S. edition. (#158241)
More Details about A WORLD OF DIFFERENCE
782.
THE DA VINCI MACHINE: TALES OF THE POPULATION EXPLOSION.
New York: Fleet Press Corporation, [1968]. Octavo, boards. First edition. (#160828)
More Details about THE DA VINCI MACHINE: TALES OF THE POPULATION EXPLOSION
783.
THE INHERITORS: AN EXTRAVAGANT STORY.
London: William Heinemann, 1901. Octavo, pp. [1-4] 1-323 [324] + [32]-page publisher's catalogue inserted at rear, original pictorial yellow cloth, front and spine panels stamped in black, publisher's monogram stamped in black on rear panel, top edge untrimmed, other edges rough trimmed. First British edition, first issue, first binding. (#80407)
More Details about THE INHERITORS: AN EXTRAVAGANT STORY
784.
THE INHERITORS: AN EXTRAVAGANT STORY.
London: William Heinemann, 1901. Octavo, pp. [1-4] 1-323 [324] + [32]-page publisher's catalogue inserted at rear, original pictorial yellow cloth, front and spine panels stamped in black, publisher's monogram stamped in black on rear panel, all edges untrimmed. First British edition, first issue, first binding. (#158279)
More Details about THE INHERITORS: AN EXTRAVAGANT STORY
785.
IN PURPURNER FINSTERNIß. ROMAN-IMPROVISATION AUS DEM DREIßIGSTEN JAHRHUNDERT.
Berlin: Verein für Freies Schriftthum, n.d. [1895]. Octavo, pp. [1-7] 8-359 [360: printer's imprint], original decorated blue-gray cloth, front and spine panels stamped in gold, marbled edges, decorated endpapers. First edition. (#134653)
More Details about IN PURPURNER FINSTERNIß. ROMAN-IMPROVISATION AUS DEM DREIßIGSTEN JAHRHUNDERT
786.
IN PURPURNER FINSTERNIß. ROMAN-IMPROVISATION AUS DEM DREIßIGSTEN JAHRHUNDERT.
Berlin: Verein für Freies Schriftthum, n.d. [1895]. Octavo, pp. [1-7] 8-359 [360: printer's imprint], original decorated blue-gray cloth, front and spine panels stamped in gold, marbled edges, decorated endpapers. First edition. (#135707)
More Details about IN PURPURNER FINSTERNIß. ROMAN-IMPROVISATION AUS DEM DREIßIGSTEN JAHRHUNDERT
787.
MISSION FROM MARS.
London: Printed in Great Britain and Published by Hamilton & Co. (Stafford), Ltd., [1952]. Octavo, pictorial wrappers. First edition. (#86707)
More Details about MISSION FROM MARS
788.
THE MONSTROUS REGIMENT.
[London & Sydney]: Orbit, [1990]. Octavo, pictorial wrappers. First edition. (#140645)
More Details about THE MONSTROUS REGIMENT
789.
NEVER FOREVER.
London: Regency Press, [1958]. Octavo, cloth. First edition. (#22556)
More Details about NEVER FOREVER
790.
PASSAGE AT ARMS.
[New York]: Popular Library, [1985]. Small octavo, pictorial wrappers. First edition. (#146614)
More Details about PASSAGE AT ARMS
791.
COMBAT.
New York: Tor, [2001]. Octavo, boards (imitation leather). First edition. (#154178)
More Details about COMBAT
792.
THE EXPENDABLES #4: THE VENOM OF ARGUS.
Greenwich, Connecticut: Fawcett Publications, Inc., [1976]. Small octavo, pictorial wrappers. First U.S. edition. (#157956)
More Details about THE EXPENDABLES #4: THE VENOM OF ARGUS
793.
THE EXPENDABLES: VOLUME ONE. THE DEATH WORMS OF KRATOS.
[London]: Severn House, [1977]. Octavo, boards. First hardcover edition. (#134813)
More Details about THE EXPENDABLES: VOLUME ONE. THE DEATH WORMS OF KRATOS
794.
THE EXPENDABLES: VOLUME TWO. THE RINGS OF TANTALUS.
[London]: Severn House, [1977]. Octavo, boards. First hardcover edition. (#134814)
More Details about THE EXPENDABLES: VOLUME TWO. THE RINGS OF TANTALUS
795.
ALL FOOLS' DAY.
New York: Walker and Company, [1966]. Octavo, boards. First U.S. edition. (#160820)
More Details about ALL FOOLS' DAY
796.
ALL FOOLS' DAY.
New York: Walker and Company, [1966]. Octavo, boards. First U.S. edition. (#161832)
More Details about ALL FOOLS' DAY
797.
THE CLOUD WALKER.
New York: Ballantine Books, [1973]. Small octavo, original pictorial wrappers. First U.S. edition. (#143691)
More Details about THE CLOUD WALKER
798.
TOMORROW'S GIFT.
New York: Ballantine Books, [1958]. Small octavo, pictorial wrappers. First edition. (#157968)
More Details about TOMORROW'S GIFT
799.
THE IMPEACHMENT OF PRESIDENT ISRAELS.
New York: The Macmillan Company, 1913. Small octavo, pp. [i-viii] ix [x] 1-124 [125-130: ads] [131-134: blank] [note: last two leaves are blanks], three inserted plates, original decorated medium blue cloth, front and spine panels stamped in dark blue and gold, fore and bottom edges rough trimmed. First edition. (#90269)
More Details about THE IMPEACHMENT OF PRESIDENT ISRAELS
800.
THE IMPEACHMENT OF PRESIDENT ISRAELS.
New York: The Macmillan Company, 1913. Small octavo, pp. [i-viii] ix [x] 1-124 [125-130: ads] [131-134: blank] [note: last two leaves are blanks], three inserted plates, original decorated medium blue cloth, front and spine panels stamped in dark blue and gold, fore and bottom edges rough trimmed. First edition. (#138357)
More Details about THE IMPEACHMENT OF PRESIDENT ISRAELS