Birds in flight.
By: Written and illustrated by John Kaufmann.
Publisher: Morrow
Published: 1970
Place of publication: New York
Language: eng
Number of pages: 96
Subjects: Birds -- Flight -- Juvenile literature.; Flight.; Birds -- Anatomy.
Description: Discusses the anatomy of a bird and explains the basic aerodynamic principles involved in bird flight.
Notes: Bibliography: p. 92-93.