The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Jack and Annie head to 18th-century Austria, where they must find and help a musician by the name of Mozart. Decked out in the craziest outfits they've ever worn--including a wig for Jack and a giant hoopskirt for Annie --the two siblings search an entire palace to no avail. Their hunt is further hampered by the appearance of a mischievous little boy who is determined to follow them everywhere. But when the boy lets the animals out of the palace zoo, Jack and...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Jack and Annie are off on another mythical mission at the request of Merlin the magician. Luckily, they have a young sorcerer, Teddy, to help them. From underwater caves to a Spider Queen, from mystical selkies to a magical sword, this is a Magic Tree House adventure kids won't want to miss

Formerly numbered as Magic Tree House #31, the title of this book is now Magic Tree House Merlin Mission #3: Summer of the Sea Serpent.

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The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Merlin the magician and Morgan le Fay have disappeared, and in order to find them, Jack and Annie journey with their friends Teddy and Kathleen to the Land-Behind-the-Clouds, a frozen kingdom of ice and snow. There they must overcome their fears and solve the Ice Wizard's riddle, because if Jack and Annie don't complete their mission in time, Merlin and Morgan will disappear forever

Formerly numbered as Magic Tree House #32, the title of this book is now...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Jack and Annie are on a mission to find--and inspire--a musician that brings happiness to millions of people. After traveling to New Orleans, Jack and Annie come head to head with some real ghosts, and discover the world of jazz when they meet a young Louis Armstrong.

Formerly numbered as Magic Tree House #42, the title of this book is now Magic Tree House Merlin Mission #14: A Good Night for Ghosts.

Did you know that there's a Magic Tree House...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Jack and Annie are on a mission to find (and inspire ) creative people. This time, Jack and Annie meet an Irish girl and go on a magical adventure that changes the girl's life--she grows up to be Lady Gregory, who helped bring back the Irish legends, started a theater, and helped the Irish people regain both their heritage and their pride.

Formerly numbered as Magic Tree House #43, the title of this book is now Magic Tree House Merlin Mission #15: ...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system

Jack and Annie must help the famous writer Charles Dickens The brother and sister are whisked back in time to Victorian England and the foggy streets of London. There, Jack and Annie discover that Charles Dickens has been thrown in jail How can they help him? They will need all their magic--and help from three ghosts--to keep the great writer from ruining his life

Formerly numbered as Magic Tree House #44, the title of this book is now Magic Tree House...

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, Penny, has been put under a spell To save her, Jack and Annie must find a rare and precious emerald. When the magic tree house whisks them back to India over four hundred years ago to search for the jewel, they discover an amazing and exotic world filled with great danger.

Formerly numbered as Magic Tree House #45, the title of this book is now Magic Tree House Merlin Mission #17: A Crazy Day with Cobras.

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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 #21: Stallion at Starlight, they had lots of questions. Why did people tame horses? What jobs do horses have today? Why was Alexander the Great's horse so famous? What are some other famous horses in history? Find out the answers to these questions and more as Jack and...