Birds :
Arnold, Caroline.
Birds : nature's magnificent flying machines / - Watertown, Mass. : Charlesbridge, c2003. - 32 p. : col. ill. ; 29 cm.
Includes bibliographical references (p. 32).
An introduction to the science that explains how birds fly.
1570915164 : $16.95
2002010441
Birds--Flight--Juvenile literature.
Birds--Flight.
QL698.7 / .A76 2003
598
Birds : nature's magnificent flying machines / - Watertown, Mass. : Charlesbridge, c2003. - 32 p. : col. ill. ; 29 cm.
Includes bibliographical references (p. 32).
An introduction to the science that explains how birds fly.
1570915164 : $16.95
2002010441
Birds--Flight--Juvenile literature.
Birds--Flight.
QL698.7 / .A76 2003
598