Part of Magic Tree House, book 9
First published 2010
Jack and Annie tumble from the Magic Tree House into the middle of the vast ocean. The siblings discover a small submarine resting on a coral reef and climb inside to explore the underwater world. Their adventure takes a dangerous turn when they encounter a massive octopus with writhing tentacles. A hungry shark circles their vessel, its teeth gleaming as it searches for its next meal. Jack and Annie must find a way to escape these ocean predators before they become food themselves. Their only hope lies with a pod of dolphins swimming nearby. The intelligent sea mammals might rescue the children from their underwater peril. Jack and Annie face their fears in the deep blue sea, learning that help can come from the most unexpected friends.
Genres: fiction, adventure, fantasy
Vibes: emotional, fast-paced, suspenseful, whimsical
Tropes: found-family, peril, rescue
Setting: Coral Reef, Magic Tree House, Ocean
67 pages · Paperback · Random House for Young Readers