ISBN 9781569759219 books & textbook
7 Weeks to 50 Pull-Ups: Strengthen and Sculpt Your Arms, Shoulders, Back, and Abs by Training to Do 50 Consecutive Pull-Ups
Ulysses Press /2011-05-20 Paperback / 120 Pages
isbn-10: 1569759219 / isbn-13: 9781569759219