Darby, Gene. Leonard visits space [electronic resource] / [by] Gene Darby. Illus. by Ric Hugo.. — San Francisco, : Harr Wagner, [c1965]. — 44 p. : color illus. 25 cm. — (Leonard and his time machine).



Subjects--Topical Terms:
Space flight--Fiction.

LC Class. No.: PZ10 / .D3 Leo