Dolphins at Daybreak

In this installment of the bestselling Magic Tree House series, Jack and Annie find themselves in the middle of the ocean, where they discover a mini-submarine on a coral reef. As they encounter marine creatures like a giant octopus and a hungry shark, the story explores their daring adventures and the potential help from dolphins. The series offers a range of books suited for different reading levels, including beginner chapter books, more challenging Merlin Missions, longer Super Editions, and nonfiction Fact Trackers.