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 #14: Day of the Dragon King, they had lots of questions. Who was the Dragon King? How did he build the Great Wall? What is Chinese...

Their magic tree house takes Jack and Annie back to the Wild West, where they experience excitement and danger and try to solve a riddle.

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 #20: A Perfect Time for Pandas they had lots of questions. What do pandas eat? Where do they live? Why are snow leopards so scarce?...

The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell.

Answers questions about the history and behavior of dogs and provides true stories of dog heroics.

What was it like to live in the Ice Age and why was the world so cold? Who made the first cave paintings? What ever happened to sabertooth cats and wooly mammoths? Find out the answers to these questions and more in Magic Tree House Research Guide: Sabertooths and the Ice Age, Jack and Annie's guide to unlocking the mysteries of the Ice Age! This is the nonfiction companion to Sunset of the Sabertooth. A great place to begin research for a report....

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 #4: Pirates Past Noon, they had lots of questions. Did pirates really make people walk the plank? What was life...

A guide to ghosts discusses the history of human belief in them, famous hauntings in the United States and Great Britain, and some possible alternative explanations for them.

Presents a nonfiction companion book to "Stallion by Starlight," discussing the history of domesticating horses and explaining why Alexander the Great's horse was so famous.

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 #11: Dark Day in the Deep Sea, they had lots of questions. How big is a giant squid? What is a dragonfish?...