Tonry, Don. Sports illustrated tumbling / by Don Tonry ; illustrations by Don Tonry. - New York : Harper, 1983. - 192 p. : ill. ISBN: 0060909846 (pbk.) : $8.95 006015022X : $9.95 LCCN: 82047537 Subjects--Topical Terms: Tumbling. Dewey Class. No.: 796.4