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

Seaside Sanctuary Marine Wildlife Refuge in South Carolina has a wild pen which is supposed to be healthier for the marine animals brought there, but the three new dolphins are getting sick and no one can explain why; Elsa Roth, whose parents work at the sanctuary, is convinced that a local chemical plant is to blame, but since the water tests do not show contamination she is having trouble getting the adults to believe her--and if she is going to...

Max is a little green monster who loves the ocean. When he learns that his underwater friends are being hurt by pollution, Max becomes an environmentally green monster with a plan to save the ocean!

"After Marina throws away the plastic wrapper on her sandwich, the plastic goes on a journey to disturb a series of sea creatures before, later, washing up on a beach where Marina and her family are playing. This experience is Marina's introduction to the harmfulness of single-use plastics, lighting a spark within her to learn more and do more to help the planet"--

Mr. Fish and an increasing number of sea creatures investigate, then decide how to deal with, a huge mess in the ocean. Includes tips for the reader to help clean up and protect the ocean.

Little Turtle loves her ocean home. Year after year, she travels to the beach where she was born, and along the way, she marvels at the wonderful sights around her. But during one journey, when she's older and bigger, Turtle notices that things look different in her ocean. Plastic bags and other pieces of garbage have been dropped into the water, and Turtle doesn't recognize her home anymore. Can anything - or anyone- save Turtle's beloved home?...

Stella gets a big surprise when her mom plans a trip to visit their family in Mexico! Stella loves marine animals, and she can't wait to see the ocean for the first time, until she arrives and learns that the sea and its life forms are in danger due to pollution. Stella wants to save the ocean, but she knows she can't do it alone. It's going to take a lot of work and help from old and new friends to make a difference, but Stella Díaz never gives...

"Heʻe, the octopus is sad--her beautiful Pacific Ocean is filling up with plastic trash. She asks her friend Mahina to do something. Mahina uses her magnetic magic to pull the trash up out of the ocean and drop it back on the city. Now the humans don't like the plastic trash either--what will they do??"-- Publisher.

En route to Japan in his homemade submarine, Alfred befriends a strange old man who lives on an abandoned freighter drifting on the sea. The man - a ninja, in fact - challenges Al to acquire greater physical strength and stealth. But it is also the time of the 2011 tsunami, and the giant wave capsizes and sinks the ship, taking his new teacher with it. Al barely escapes in his sub. Certain that the old man is still alive and trapped inside the sunken...