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.

A lyrical introduction to the sea, its inhabitants, and its role in the world around it. Includes facts about the ecosystems of oceans and shorelines.

With the ocean on the brink of chaos, a young shark Gray and his best friend Barkley, exiled from the safety of their peaceful reef home, will have to battle ferocious shivers, or join them, to survive.

"A child and his beloved giraffe go on a grand sea adventure"--

Everywhere Gray and Barkley swim, fish are whispering of a growing threat, of a shark named Finnivus who will eat anything or anyone, and won't stop until he has seized control of the entire ocean. Finnivus has an armada of vicious battle sharks to help him expand his empire, and Gray realizes that it's up to him to save the Big Blue. But first he must train with Takiza, the wise and mysterious fighting fish who has promised to teach his young apprentice...

Still trying to save the giant squid from Soggy Bob, ten-year-old Andrew, his cousin Judy, and Thudd the robot nearly meet disaster at the Challenger Deep, the deepest place in the ocean.

"Mr. Fish has a fun idea! He is going to make a painting for his friends at school, and he does not need any help. He can do this on his own! But when his plan doesn't work, he may end up needing his friends after all"--

From award-winning creator Anna McGregor (author of Anemone is Not the Enemy) comes this hilarious tale of the deepest of sea creatures. Seamlessly combining humor, narrative, and non-fiction, McGregor introduces young readers to the wonders of the ocean's 'midnight zone', where no sunlight at all is able to penetrate. We meet Fergus as he hides from a parade of sea-creatures that use bioluminescence to find their way in the dark. At least, we think...

Squizzard is a small squid who always wants to be the center of attention, whether it is playing with his best friend Toothy the vegetarian Great White Shark, or giving a report in school; but when his behavior finally causes a rift in their friendship, Shay the seahorse explains what he is doing wrong--but change is difficult for Squizzard and it takes an ecounter with Bennie the Barracuda, the fifth-grade bully at Deep Reef Elementary, to finally...

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.