The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.  Track the facts with Jack and Annie!!
 
When Jack and Annie got back from their adventure in Magic Tree House #5: Afternoon on the Amazon, they had lots of questions. How much rain falls in a rain forest? What is the world's heaviest...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better. Track the facts with Jack and Annie!!
 
When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #14: A Good Night for Ghosts, they had lots of questions. What are some of the most famous ghost stories?...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better. Track the facts with Jack and Annie!!
 
When Jack and Annie came back from their adventure in Magic Tree House #5: Night of the Ninjas, they had lots of questions. What did it mean to be a ninja or a samurai? Did they really have special abilities?...

Presents a non-fiction companion to the book "Dogs In The Dead Of Night," discussing cases where dogs have come to the rescue of people and other animals, and describes the roles of service and other working dogs.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better.
Track the facts with Jack and Annie!
 
When Jack and Annie got back from their adventure in Magic Tree House #9: Dolphins at Daybreak, they had lots of questions. Did dolphins ever live on land? How do dolphins communicate? How...