THE CROSSROADS OF TIME. New York: Ace Books, . Small octavo, pictorial wrappers. First separate printing of the Ace edition. Ace Books D546. First published as Ace Double Novel Books D-164 in 1956. Anatomy of Wonder (2004) II-817. Touch of rubbing to cover edges, owner's name penciled on recto of first leaf, a near fine copy. (#94522).
No statement of printing on copyright page.