G-Force: The Ultimate Guide to Your Best Body Ever
by Gunnar Peterson,Myatt Murphy
ISBN 13: 9780060738051
Format: Hardcover (288 pages) Publisher: HarperCollins Published: 01 Jan 2005
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The Workout: Core Secrets From Hollywood's #1 Trainer
by Gunnar Peterson
ISBN 13: 9780060738068
Format: Illustrated (288 pages) Publisher: HarperCollins Published: 12 May 2006 Other Format: Hardcover