Dean, Michael, 1949- Extreme sports / Michael Dean. - Harlow : Pearson Education, 2008. - iv, 28 p. : ill., ports. ; 20 cm. - Penguin readers. Level 2 . ISBN: 0582461685 Subjects--Topical Terms: Readers.Extreme sports. LC Class. No.: PE1126.A4 Dewey Class. No.: 428.62