Prince Adam and Cringer are playing in the Vine Jungle. Then Man-At Arms, riding on Zoar the Falcons back, lands and tells them that Skeletor and Panthor have found the secret path to Castle Grayskull. Adam transforms to He-Man stops him with an energy bolt from the Power Sword.There are 2 versions of this book. The US "Kid Stuff" Version came in Black & White while the UK "U.S.A SuperStars" Version came in color. The Story is the same for both books.