SIDEWISE IN TIME AND OTHER SCIENTIFIC ADVENTURES. Chicago: Shasta Publishers, 1950. Octavo, cloth. First edition. One of an unknown number of subscriber's copies signed by Leinster. Collects six stories. Includes "A Logic Named Joe" (1946), an early computer story, and "Sidewise in Time" (1934), a flamboyant tale that introduced alternate histories into pulp SF. Anatomy of Wonder (2004) II-656. Some age-darkening to paste-downs along gutter margins, a fine copy in fine dust jacket designed by Hannes Bok. A sharp copy. (#86025).
First edition so stated on copyright page.