Callery, Sean.
Defying gravity : surviving extreme sports /
by Sean Callery.
- Mankato, Minn. : Capstone Press, c2008.
- 32 p. : col. ill. ; 22 cm.
- Extreme science .
Includes bibliographical references and index.
9781429631228 (hardcover) 1429631228 (hardcover) 9781429631426 (softcover) 1429631422 (softcover)
2008024369
Extreme sports.
GV749.7 / .C35 2008
796.04/6