Holly must solve the puzzle of an old legend if she and the other mermaids are to stop the toxic waste leaking from a wrecked ship, threatening a family of turtles living nearby, and get back to their vital mission for Queen Neptuna.

"The Earth's five oceans and its water cycle connect all of us in important and unexpected ways"--

"There's an Earth Day celebration in store for Mrs. Green's class, and her students are working on important reports."--Publisher website.

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

The alarming true story of what's happening to the fish, the oceans and our environment. It tells how and why the fish we most commonly eat, including tuna, salmon, cod and swordfish, could become extinct within fifty years. It is a call to action. With its focus on supporting sustainable fishing it shows how from little steps to big, kids how and -- why we must make a difference.

Ms. Harbor has a fun new project for the purrmaids: a scavenger hunt! The purrmaids must search Kittentail Cove to find items around the ocean. Some are rare, like a special piece of coral. And some are too plentiful like plastic human garbage. When Coral, Shelly, and Angel visit their mermicorn friend, Sirena, they discover that Sirena s younger brother is caught in plastic soda rings. It s up to the purrmaids to help their friend and clean up the...

"East-coast novelist Patrick Hamlin has come to Hollywood with simple goals in mind: overseeing the production of a film adaptation of one of his books, preventing starlet Cassidy Carter's disruptive behavior from derailing said production, and turning this last-ditch effort at career resuscitation into the sort of success that will dazzle his wife and daughter back home. But California is not as he imagined: drought, wildfire, and corporate corruption...

A mean octopus has dumped garbage all over Mermaid Kingdom! The only way to save the mermaids is to find the magic crown!

Inspired by a shocking true story, a tenacious attorney uncovers a dark secret that connects a growing number of unexplained deaths due to one of the world's largest corporations. In the process, he risks everything - his future, his family, and his own life - to expose the truth.