Kelly, J.J.

Extreme challenge / by J.J. Kelly and Greta Gilbert. - Pathfinder ed. - Washington, D.C. : National Geographic Society, c2011. - 15 p. : col. ill., map ; 28 cm. - Explorer collection. People & cultures .

Includes index.

ISBN: 9780736286824

Subjects--Topical Terms:
Sports.

Subjects--Geographic Terms:
Extreme sports.