Jack and Annie continue their quest for the secrets of happiness-secrets they need if they're going to save Merlin. But when the magic tree house leads them to a tiny deserted island in the middle of the ocean, they're not sure who needs help more-Merlin or themselves The brother and sister team are soon rescued by a ship of explorers and scientists. But the crew isn't looking for the secrets of happiness. The crew is looking for . . . a sea monster.
About the Author
Mary Pope Osborne is the author of the bestselling Magic Tree House series. She has also written many acclaimed retellings of myths, folktales, and works of historical fiction.
Murdocca has illustrated numerous picture books and chapter books.