Discover the bone-chilling adventures that made Goosebumps one of the bestselling children's books series of all time! Something scary is happening in GOOSEBUMPS HORRORLAND, the all-new, all-terrifying series by R. L. Stine. Just how scary? You'll never know unless you crack open this classic prequel! In DEEP TROUBLE, find out why Billy Deep and his sister, Sheena, are afraid of dark lagoons, coral reefs, and anything that appears to be half-human, half-fish! Now with all-new bonus materials including real-life shark tales and more.