Case File 13: Evil Twins

You hold in your hands a very creepy chronicle. Nick, Carter, and Angelo have defeated the Zombie King, taken down a mad scientist, and, toughest of all, even learned to cooperate with their monster-loving girl rivals. But when the three friends head on a camping trip with Nick's parents, a fateful hike in the woods leads the boys to a creature that can change its shape at will and even mimic the boys' voices. Carter sneaks the little guy into his backpack and takes him home, and so the troub...