MENSCHEN IM WELTRAUM: NEUE PROJEKTE FÜR RAKETEN- UND RAUMFAHRT. Dusseldorf: Econ-Verlag, . Octavo, pp. [1-4] 5  7-253 254-256: ads, illustrations, original black cloth stamped in silver. First edition. Oberth's work proved space flight possible. Nearly all modern space travel concepts used today are founded on his ideas. Ciancone 178. Hübner 730. Ley, Rockets, Missiles, and Space Travel, revised edition, 1957, p. 507. Slight spine lean, top edge of pages a bit dusty, a very good copy in good printed dust jacket with shelf wear at edges and chip from upper spine end. (#135418).
"1. Auflage 1954" on copyright page.