Is this town HAUNTED? Jack and Annie wonder when the Magic Tree House whisks them to the Wild West. But before they can say "Boo!" they rush headlong into an adventure filled with horse thieves, a lost colt, rattlesnakes, and a cowboy named Slim. Will Jack and Annie have time to solve the next Tree House Riddle? The answer may depend on a ghost! MAGIC TREE HOUSE: Perfect for readers 6-9 who are just beginning to read chapter books—includes this boxed set! MERLIN MISSIONS: More challenging adventures for experienced readers ages 7-10 The Magic Tree House series has been a classroom favorite for over 25 years and is sure to inspire a love of reading—and adventure—in every child who joins Jack and Annie!