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

It's sink or swim for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the day? Or are Jack and Annie doomed to be dinner?

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


Product details
Publisher ‏ : ‎ Random House Books for Young Readers (April 29, 1997)
Language ‏ : ‎ English
Paperback ‏ : ‎ 67 pages
ISBN-10 ‏ : ‎ 067988338X
ISBN-13 ‏ : ‎ 978-0679883388
Reading age ‏ : ‎ 6 - 8 years, from customers
Lexile measure ‏ : ‎ 540L
Grade level ‏ : ‎ 1 - 4
Item Weight ‏ : ‎ 2.2 ounces
Dimensions ‏ : ‎ 5.25 x 0.22 x 7.56 inches