Sea Otter Sunrise -- Mary Pope Osborne, Paperback

The #1 bestselling Magic Tree House series for chapter book readers is ready to whisk you away across the world with Jack and Annie--this time to save sea otters after a shark attack! Magic Tree House is the perfect series for kids ready to transition from leveled readers and picture books to longer novels!

It's bright and early when the magic tree house spins Jack and Annie to Monterey Bay, California. It's their mission to collect sea urchins in the underwater kelp forests! But they know nothing about collecting sea urchins--can a grouchy boat captain help them? Maybe. But Jack and Annie have another problem when Annie finds a badly injured sea otter. They're not supposed to help the otter . . . but it's the right thing to do. Can they convince the grouchy boat captain to help them?

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

• Magic Tree House: Perfect for readers who are just beginning chapter books
• Merlin Missions: More challenging adventures for the experienced reader
• Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures
• Graphic Novels: Relive the original adventures brought to life with art by Kelly & Nichole Matthews
• Nonfiction Graphic Novels: Track the facts in these graphic novel adaptations of the nonfiction companion novels

If you're looking for Merlin Mission #40: Eve of the Emperor Penguin, it was renumbered as Merlin Mission #12 when the series was rebranded in 2017.

Author: Mary Pope Osborne
Publisher: Random House Books for Young Readers
Published: 01/06/2026
Pages: 112
Binding Type: Paperback
Weight: 0.20lbs
Size: 7.50h x 5.10w x 0.40d
ISBN: 9780593706541
Audience: Ages 9-12

Accelerated Reader:
Reading Level: 3.7
Point Value: 1
Interest Level: Lower Grade
Quiz #/Name: 556633 / Sea Otter Sunrise

About the Author
MARY POPE OSBORNE is the author of the New York Times #1 bestselling Magic Tree House series as well as coauthor of the Magic Tree House Fact Tracker series, along with her husband, Will; her sister, Natalie Pope Boyce; and her good friend Jenny Laird.

AG FORD is a New York Times bestselling children's book illustrator and recipient of two NAACP Image Awards. He grew up in Dallas with his mom, his dad, and his two sisters and one brother. He majored in illustration at Columbus College of Art & Design and now lives with his family in Frisco, Texas.