Author:	Mary Pope Osborne	ISBN:	9780375898754
Publisher:	Random House Children's Books	Publication:	January 11, 2011
Imprint:	Random House Books for Young Readers	Language:	English

Author:	Mary Pope Osborne
ISBN:	9780375898754
Publisher:	Random House Children's Books
Publication:	January 11, 2011
Imprint:	Random House Books for Young Readers
Language:	English

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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’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*.

Did you know that there’s a Magic Tree House book for every kid?

Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books
Merlin Missions: More challenging adventures for the experienced reader
Super Edition: A longer and more dangerous adventure
Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

Have more fun with Jack and Annie at MagicTreeHouse.com!

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

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*.

Did you know that there’s a Magic Tree House book for every kid?

Have more fun with Jack and Annie at MagicTreeHouse.com!