Grand Rapids, MI: Wm.B. Erdmans. (1960). 7th prtg. 1970. B/w illus. with tan accents by Macy Schwarz. 8vo. 73p. tan cloth. Light wear extremities, small neat name free fornt endpaper,. Very Good+. 
A charming story about Susie ,the Grade 4 pet hamster and mother-to-be, and the birth of her young. Teacher , Miss Weston, explains reproduction in a simple, straight forward manner.