The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Tigers in trouble? That's what Jack and Annie find when the Magic Tree House whisks them and Teddy, the enchanted dog, to a forest in India. The rare tigers are being trapped by greedy poachers! Can Jack and Annie find a way to help? Or will a fierce tiger eat them instead? Did you know that there’s a Magic Tree House book for every kid? Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures