Jack and Annie must find the four things that will free an enchanted dog named Teddy from a spell. Their quest leads them to a ship lost at sea, the Great Plains, the forests of India, and the Australian Outback. It's a difficult and dangerous mission, but Jack and Annie will do anything to help their new friend, Teddy!

Books in this set include: Tonight on the Titanic (#17), Buffalo Before Breakfast (#18), Tigers at Twilight (#19), and Dingoes at Dinnertime (#20).

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