Merlin Mission Books 1-4 of the #1 New York Times bestselling Magic Tree House series! Beyond the realms of time and space are lands that exist only in myths an

Eight-year-old Jack and his younger sister Annie find a magic treehouse, which whisks them back to an ancient time zone where they see live dinosaurs.

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Catch the wave! That's what Jack

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Merlin’s beloved penguin, Penn

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! When Jack and Annie receive an i