Discover the bone-chilling adventures that made Goosebumps one of the bestselling children's book series of all time. Now with all-new bonus materials!What has two eyes, a mouth, and wrinkly green skin? Mark's shrunken head! It's a present from his Aunt Benna. A gift from the jungle island of Baladora.And Mark can't wait to show the kids at school!But late one night the head starts to glow. Because it's actually no ordinary head. It gives Mark a strange power. A magical power. A dangerous power...It's our tenth fan-favorite prequel to R.L. Stine's blockbuster Goosebumps HorrorLand series. Now with all-new bonuses including an author interview, gross-out facts, and more!