When Jack and Annie came back from their adventure in Magic Tree House #34: Late Lunch with Llamas, they had lots of questions. Why do people raise llamas? What are llamas' closest relatives? How tall are the Andes mountains? What other animals live there? Find out the answers to these questions and more as Jack and Annie track the facts about llamas and the Andes.

Filled with up-to-date information, photographs, illustrations, and fun tidbits from Jack and Annie, the Fact Trackers are the perfect way for kids to find out more about the topics they discover in their favorite Magic Tree House adventures.

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
Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures