After a break from their trips in the tree house, Jack and Annie are delighted to find that it's back Morgan le Fay needs their help, but they'll have to become Master Librarians first, and that means solving four riddles.

Morgan Le Fay, the magical librarian, sends the children and the treehouse to the Arctic and tells them she'll send somebody to meet them there. But they're surrounded by ice and snow and there are huskies and polar bears all around them too - will they freeze to death first?

Now master librarians, Jack and Annie are sent on a mission to find a lost story - in ancient Rome. It seems peaceful until the ground shakes and they realise they're there on the day that Mount Vesuvius errupts and they're in danger of being burried.

When the tree house lands in ancient China, Jack and Annie are told to beware the fearsome emperor. It's not long before they learn the warning is right In search of an old Chinese legend, they head to the palace of the dragon king. When they find themselves lost in his spooky burial grounds, only magic will help Jack and Annie escape

This is a tale of high waves and high adventure for Jack and Annie when the tree house lands in the sea off the coast of Ireland. Things get dangerous when Viking ships approach

It's off to ancient Greece for the children and the tree house where the first Olympic games is taking place

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

Camelot is in trouble Jack and Annie must find four different kinds of writing that will help. Their quest leads them to the American Revolution, the American Civil War, the stormy Great Plains, and the great San Francisco earthquake. It's a difficult and dangerous mission, but Jack and Annie will do anything to save Camelot

Books in this set include: Civil War on Sunday (#21), Revolutionary War on Wednesday (#22), Twister on Tuesday...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system
Goal Jack and Annie have tickets to one of the most exciting soccer games ever--the 1970 World Cup They are sure the famous soccer player Pele will tell them a "secret of greatness." The game is nonstop action and the stands are packed. But how will they find Pele in a crowd of 100,000 soccer fans? Have they failed their mission? Or will the answer come when they least expect it?
Formerly numbered as Magic Tree House #52, the title of this book is...

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

Travel all over the world and across time in the magic tree house Jack and Annie are just regular kids, but Morgan le Fay, the magical librarian, thinks they're ready to learn some magic. What kind of magic? Find out when Jack and Annie meet William Shakespeare, a group of gorillas, the Plymouth Pilgrims, and a couple of great surfers from Hawaii

Books in this set include Stage Fright on a Summer Night (#25), Good Morning, Gorillas...

Merlin Mission Books 1-4 of the #1 New York Times bestselling Magic Tree House series boxed together for the first time ever

Beyond the realms of time and space are lands that exist only in myths and legends. This is where the magic tree house is taking Jack and Annie on the mission of a lifetime They will visit Camelot, a haunted castle, an island lost in mist, and the Land-Behind-the-Clouds. It is one unforgettable adventure

Recently rebranded, the first 4 Magic Tree House Merlin Mission paperbacks all in one box are the perfect gift for fans of the Magic Tree House...