R.L. Stine, author of the bestselling Goosebumps series, raved that Gravediggers is "my kind of book--fast, frightening, and all too real " During a class hiking trip, Ian, Kendra, and PJ get lost in the mountains and discover that they are being stalked by a pack of ravenous zombies. With the help of a witch doctor and some unusual folk magic, will they be able to defeat these monsters and escape the mountain with their lives? Author...