Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle.

Buzz and Fly Guy visit the aquarium, where they learn facts about sharks, including how they breathe in water, what they eat, and how they take care of their young.

A shark and a train compete in a series of contests on a seesaw, in hot air balloons, bowling, shooting baskets, playing hide-and-seek, and more.

"Did you know that sharks first appeared in the oceans 200 million years before the dinosaurs, and that they have an electrical sixth sense that helps them locate their prey? How dangerous is a great white shark? Can a whale shark really grow as big as a city bus? If you find yourself seeking the answers to these questions, then this may be the book for you! Discover where they live, why they are hunted, and what can be done to protect them. The book...

"Take a plunge into the dephts and encounter speedy swimmers, deep divers, and bottom feeders. From stealthy sharks to curious catfish, find out fantastic fishy facts about how these underwater creatures hunt, hide, drive, and glide."--

Miss Frizzle's class travel under the ocean.

"Information accompanies step-by-step instructions on how to draw sharks. The text level and subject matter are intended for students in grades 3 through 7"--Provided by publisher.

"Engaging images accompany information about the whale shark. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 7"--Provided by publisher.

"Engaging images accompany information about the mako shark. The combination of high-interest subject matter and narrative text is intended for students in grades 3 through 7"--Provided by publisher.

This book describes the physical characteristics, behavior, and habitats of sharks and discusses laws to protect sharks from becoming extinct.