THE PROBLEM OF THE GREEN CAPSULE. New York & London: Harper & Brothers Publishers, 1939. Octavo, pp. [i-vi] vii [viii-x] 1-286, original orange cloth stamped in dark green. First edition. A Dr. Fell mystery novel. A very good copy in very good dust jacket, with light wear at edges. Retains the $2.00 printed price on the front flap. Uncommon in dust jacket. (#152316).
"FIRST EDITION / D-O" on copyright page.