Bear Grylls breaks down the many types of reptiles and amphibians found around the world, complete with activities and stickers of these cold-blooded creatures. Bear Grylls Activity Books series: These new activity books are packed with mazes, word searches, quizzes and more. Enjoy engaging activities, 60+ stickers, and tips and trivia from wilderness expert Bear Grylls! Paperback book. 32 Pages plus 2 pages of stickers. Ages 5 and up.