Waring, Rob Extreme skydiving/ Rob Waring. - Boston : Heinle/Cengage Learning 9999 - 32p.:ill. ( some pic.& col. ) 21cm. This ELS. - Footprint reading library . ISBN: 9781424012145 LC Class. No.: PE1128 .W276 2009 Dewey Class. No.: PE1128 .W276 2009 National Library of Medicine Call No.: PE1128 .W276 2009