A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.

Ever since her father was lost at sea, Sophia has been moping around Aqualand, a marine theme park. But Sophia's world is turned upside-down when an "aquanaut" breaks into the park's research lab. To her amazement, Sophia discovers that the aquanaut is not what it seems: inside lives a band of goofy sea creatures! And when they all realize that Aqualand is more sinister than advertised, Sophia is determined to help the aquanaut crew free the park's...

"Mr. Fish is having a hard time finding the right presents for his friends, until he learns that the best gifts come from the heart"--

A happy-go-lucky, waffle-loving narwhal and a cynical, no-nonsense jellyfish forge an unlikely friendship and share adventures while exploring the ocean together.

Text and illustrations present such ocean creatures as the manta ray, dolphin, and octopus, explaining their physical structures and how they work.

Join Super Narwhal and sidekick Jelly Jolt as they take on three SUPER new stories in this early graphic novel series. Happy-go-lucky Narwhal and no-nonsense Jelly find their inner superheroes in three new under-the-sea adventures. In the first story, Narwhal reveals his superhero alter-ego and enlists Jelly to help him figure out what his superpower is. Next, Narwhal uses his superpower to help a friend find his way back home. In the third story,...

"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 and...

When Clark the Shark has a loose tooth, he has to go to a dentist, but Clark has heard that the dentist is scary.

"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...

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better. Track the facts with Jack and Annie!!
 
When Jack and Annie got back from their adventure in Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea, they had lots of questions. How big is a giant squid? What is a dragonfish?...