Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic Tree House again, this time to a whole new world under the ocean. Complete with a giant octopus, a hungry shark, and dolphins to the rescue, this Magic Tree House book delivers an underwater adventure kids can dream about.

When Stink's parents win an aquarium sleepover, he and his two friends enjoy a scavenger hunt before trying to fall asleep while worrying about the frankensquid on the loose.

"In Los Angeles, Max and her friends take over the skies with a hair-raising air show...while below, a deadly assassin watches. Then the flock learns that fish are dying off Hawaii in a strange, frightening ecological catastrophe--and only they can stop it. But even as Max and her team comb the ocean's depths to uncover the truth, a powerful enemy tracks their every move. Can the flock protect itself from the approaching storm and save the world from...

Danny Dragonbreath and his friend Wendell get an up-close underwater tour of the Sargasso Sea from Danny's sea-serpent cousin, encountering giant squid and mako sharks--and learn about standing up to bullies in the process.

"Narwhal and Jelly are back and Narwhal has a new obsession... peanut butter! He's so obsessed he even wants to change his name to... that's right... Peanut Butter! Ever-sensible Jelly isn't so sure that's the best idea, but is all for Narwhal trying new things (instead of just eating waffles all the time, no matter how delicious waffles are). In this third book, Narwhal and Jelly star in three new stories about trying new things, favorite foods...

"A group of fish play follow the leader in their ocean habitat. Count the fish from one to ten as each joins the game, then count back down to one when the leader gulps a sea spider and sets off an unfortunate chain reaction (swallow the leader!)"--

"Narwhal and Jelly... and Otty?! Exuberant Narwhal and skeptical Jelly test the waters of adding a new friend to their pod when they meet Otty the super-adventurous otter in the fourth book of this blockbuster early graphic novel series! Dive into three new stories about the joy of adventure and the power of friendship! In the first story, Otty the otter makes her debut splash; while Narwhal greets her with immediate enthusiasm, Jelly's not so sure...

"Under the sea, a crab follows its heart and its calling, bringing everyone together in the wake of a disaster"--

"Join Fancy Nancy on an exciting trip to the aquarium in New York Times bestselling team Jane O'Connor and Robin Preiss Glasser's beginning reader Fancy Nancy: Peanut Butter and Jellyfish. This Level One I Can Read book is perfect for children learning to sound out words and sentences. During a class trip to the aquarium, Fancy Nancy is enjoying all the incredible sea creatures--that is until she comes to the jellyfish exhibit! With the help of Ms....

On another special field trip on the magic school bus, Ms. Frizzle's class learns about the ocean and the different creatures that live there.