Sea Otter Sunrise

Sea Otter Sunrise by Mary Pope Osborne, published by Random House on July 1, 2025, is a captivating addition to the Magic Tree House series, designed for young readers transitioning from leveled readers and picture books to longer narratives. In this installment, Jack and Annie are transported to Monterey Bay, California, where they embark on a mission to collect sea urchins in the underwater kelp forests. Their adventure takes an unexpected turn when they encounter a badly injured sea otter, prompting them to seek help from a grouchy boat captain, despite knowing they are not supposed to intervene.
Readers will find an engaging blend of action and adventure as Jack and Annie navigate their mission while grappling with the moral dilemma of helping the injured sea otter. This story incorporates elements of fantasy and magic, characteristic of the series, while also introducing themes related to wildlife and environmental conservation. With 112 pages, this edition is suitable for children eager to explore new worlds and challenges alongside beloved characters.
Official synopsis Publisher
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
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.
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