"Molly can't wait to return to the Undersea Kingdom as a secret mermaid. Swimming with dolphins and diving for treasure is so exciting! But first, Molly must help her mermaid friend Ella find her missing enchanted shell--before it falls into the Dark Queen's evil clutches"--From the publisher's web site.

In the climax to the mermaids' search for their pieces of the magical conch shell, Molly finds herself in the frozen seas of the Arctic. There she discovers that the Dark Queen has stolen the last conch piece and imprisoned ice mermaid Shivana. With the help of a friendly walrus, Molly rescues Shivana, and, dodging an attack by an enchanted polar bear, they set off to confront the Dark Queen in her distant lair.

"Molly's thrilled when she and her mermaid friend Delphi find another piece of the magical conch shell...but unfortunately a grumpy sea urchin has made his home on it, and won't move! He'll only swap it for the pirate treasure that lies in a nearby shipwreck...but what other dangers might be lurking there?"--From the publisher's web site.

"Swimming with the turtles and tropical fish in the ocean reefs has always been such fun for the mermaids, until the reefs begin to die. Molly must help her friend Coral find her magic shell so she can rescue the reef -- but the wicked Dark Queen and her army have other plans..." -- Back cover.

Looking forward to a trip to the beach, where he hopes to find a seashell that will enable him to hear ocean sounds, Splat the Cat is frustrated by his inability to find anything but broken shells until he receives help from a special new friend.

A young girl visiting her grandparents at the beach stays in a little house and walks along the shore gathering seashells, wondering about the creatures who used to live in each shell, about the hidden treasures of the sea--and about the world.

Describes such animals as snails, turtles, and crabs, which live in shells and use these coverings as protection.

"Shells introduces the earliest readers to unique animal shell textures and patterns while providing them with a supportive first nonfiction reading experience. High-frequency words, repetitive sentence patterns, photo labels, and strong visual references support emergent readers, making sure they aren't facing too many challenges at once. Shells includes tools for teachers as well as introductory nonfiction features such as labels, a table of contents,...