How birds fly
By: by Russell Freedman ; drawings by Lorence F. Bjorklund.
Contributors: Bjorklund, Lorence F.
Publisher: Holiday House
Published: 1977
Place of publication: New York
Language: eng
Number of pages: 64
Subjects: Flight -- Juvenile literature.; Flight.; Birds.
Description: An introduction to bird flight which includes a discussion of bird anatomy, feathers, and air currents and a comparison with airplane flight.
Notes: Includes index.