Leonard equals Einstein
By: Gene Darby ; illustrated by Barbara Robinson
Contributors: Robinson, Barbara
Series: The time machine series
Publisher: Harr Wagner
Published: 1967
Place of publication: San Francisco, Calif
Language: eng
Number of pages: 44
Subjects: High interest-low vocabulary books; Reading (Primary); Readers (Primary); Einstein, Albert,; Fiction
Notes: At head of title: Leonard and his time machine.