The Secret of the Box
Soft cover
1965
by Boll, Heinrich
The Curtis Publishing Company, 1965. Soft cover. Fine. Published in Philadelphia by The Curtis Publishing Company on July 17, 1965. Story appears in The Saturday Evening Post Vol. 238, No. 14, translated by Leila Vennewitz. Magazine very good+. Cover price is 25c. (Inventory #: 0105016)