7 Weeks to 300 Sit-Ups: Strengthen and Sculpt Your Abs, Back, Core and Obliques by Training to Do 300 Consecutive Sit-Ups

Strengthen

by Brett Stewart

Paperback

details (United States).

details (UK).
(see also: eBook (Kindle))

ISBN: 978-1-61243-049-2

ISBN-10: 1-61243-049-X

Ulysses Press · 2012