AMERICANS INTO ORBIT
The Story of Project Mercury
by Gene Gurney
(100) pages
©1965, 1962
Illustrated with photographs
Published by Random House of New York
THREE GREEN MEN AND OTHER STORIES
(many stories with the space one being just one of them)
Curriculum Motivation Series
by Leo C. Fay Professor of Education, Indiana University
(260) pages
©1966
Published by Lyons & Carnahan
THE SPACE EAGLE - OPERATION DOOMSDAY
Story by Jack Pearl
Based on characters and settings by Raymond J Meurer
Developed by Meurer - Preston - Austin, Inc.
(220) pages
©1967
Published by Western Publishing Company (Whitman) of Wisconsin
To judge the sizes the largest book measures 6-1/4'' x 8-5/8'' x 3/4''. The books appear to be in excellent to near mint used condition as pictured.