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.