Campanion book to "What"s Happening to my Body for Boy?" Bestselling fun and fact-filled guide for preteens and teens * A What"s Happening to My Body? book for Boys Series; Interactiave revised edition; This book is a companion but does not need the other book to use this book. This one is more interactive. * Over 100 quizzes, checklists, games, and journal pages about your changing body * Excellent and reads well with What"s Happening to My Body for boys. * This book covers many of the same topics as the "What"s Happening to my Body for Boy?" but not as much detail. Both books are great or start with this revised editon