Introducing "Alien Force" and containing info on Ben Tennyson, his cousin Gwen, Grandpa Max and Kevin Levin. Get the low-down on Ben"s brand new alien dudes, including Swampfire, Jet Ray and Big Chill. Also containing info on the new and nasty villains. Together with puzzles, quizzes, a poster and two sheets of stickers, this is an awesome choice for any self-respecting "Ben 10" fan.