Almost ready!
In order to save audiobooks to your Wish List you must be signed in to your account.
Log in Create accountShop small, give big!
With credit bundles, you choose the number of credits and your recipient picks their audiobooks—all in support of local bookstores.
Start giftingLimited-time offer
Get two free audiobooks!
Nowโs a great time to shop indie. When you start a new one credit per month membership supporting local bookstores with promo code SWITCH, weโll give you two bonus audiobook credits at sign-up.
Sign up todayDark Day in the Deep Sea
This audiobook uses AI narration.
Weโre taking steps to make sure AI narration is transparent.
Learn moreThe #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!
The magic tree house leads Jack and Annie to a tiny deserted island in the middle of the ocean. The brother and sister team are soon rescued by a ship of explorers and scientists who are looking forโฆa sea monster!
Formerly numbered as Magic Tree House #39, the title of this book is now Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea.
Did you know that thereโs 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
Mary Pope Osborne is the author of all the Magic Tree House books, as well as American Tall Tales and New Yorkโs Bravest for Knopf. The author lives in Goshen, CT.
Mary Pope Osborne is the author of all the Magic Tree House books, as well as American Tall Tales and New Yorkโs Bravest for Knopf. The author lives in Goshen, CT.