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.

As Pete the Cat searches underwater for a seahorse, he comes into contact with all manner of sea creatures.

Dory has to make a trip across the ocean to get back to her mother and father.

Octopus leaves her cave in a lively reef because she is shy and the seahorses there find her fascinating, but when she finds a quieter, more peaceful spot she misses her home and friends.

Mr. Fish feels nervous venturing deep in the sea to look for Ms. Clam's lost pearl until Miss Shimmer helps him conquer his fear of the dark.

"Dive into three new stories about Narwhal's favorite time of the year! It's the festive season in the world wide waters, and Narwhal is looking forward to cozying up with a good book, singing and partying with his pod pals and enjoying some warm waffle pudding. But most of all he's excited about the arrival of the Merry Mermicorn! According to Narwhal, she's part mermaid, part unicorn and completely mer-aculous! Jelly is of course skeptical about...

"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...

Unhappy with the camp's food, SpongeBob and Patrick sneak into the kitchen and discover Plankton's latest invention, a vending machine that holds delicious-looking snacks that turn whoever eats them into mutants.

"Narwhal and Jelly come across a strange object and wonder what its purpose might be."--