The #1 bestselling chapter book is now a graphic novel! Magic. Mystery. Time-travel. Get whisked back in time in the magic tree house with Jack and Annie!
Where did the tree house come from?
     Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark...or will they become a dinosaur's dinner?
For the...

Jack and Annie explain about all the different types of dinosaurs.

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 #1: Dinosaurs Before Dark, they had lots of questions. When did the dinosaurs live? What other animals lived at that time? Which dinosaur...

Books 1-8 of the New York Times bestselling Magic Tree House series plus an interview with Mary Pope Osborne!

Meet Jack and Annie!

Jack and his younger sister, Annie, are just regular kids. But when they discover a tree house in the woods, something magical happens. In books 1-4, Jack and Annie are whisked back in time to the Age of Dinosaurs, a medieval castle, ancient pyramids, and treasure-seeking pirates....

"Hiking Colorado's Western Slope provides firsthand descriptions and detailed maps for over 50 of the state's finest trails west of the Great Divide. Veteran hiker and author of Best Easy Day Hikes: Grand Junction and Fruita, Bill Haggerty, recommends his favorite routes--from short day walks to backcountry treks through the Western Slope's spectacular landscape, including hikes near Maroon Bells, Breckenridge, Vail, the Flat Tops Wilderness, Steamboat...