"All Emily Windsnap wants to do is impress her best friend, Shona, and the other mermaids who live in the sea around Allpoints Island. But instead, she wakes up with the kraken, a terrifying octopus-like monster the size of an apartment building. Now he's coming after everything and everyone, and it's up to Emily to stop him. Luckily she's got help from Shona and one other person--someone Emily hoped never, ever to see again."--Back cover.

When she incurs Neptune's wrath by finding a diamond ring buried under rocks in the ocean, Emily is put under a curse that will force her to choose to be either a mermaid or a human and split up her parents forever.

"Not one of the merkids in Shelly Siren's third-grade class can believe the shell-shattering news: Shelly is a princess! A real princess! It's been a well-kept secret in Trident City, but now the word is out, and Shelly doesn't know how to act! Should she start wearing a glittery crown? Or move to a grand undersea palace? Will her friends have to call her Your Highness? Being a princess may be exciting, but Shelly's not sure she can truly play this...

"The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort's royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day....

Emily Windsnap doesn't know how to swim. Her mother has always cautioned her to stay out of the water. But it's hard to make friends at the beach when everyone else is having fun in the waves! So when swimming lessons start at school, Emily is excited to finally have the chance to learn. Standing beside the pool, she feels the water calling her, but when she jumps in, she gets a strange, kind of scary sensation ... like her legs are stuck together....

There's so much to see in Tidal Grove. Swim along with Vera and Beaker! They play underwater games. They explore a sunken Ship. And they eat seaweed cookies!

Once again Abby and her brother Jonah go through the magic mirror in their basement, and this time they find themselves interfering in the Little Mermaid story--and needing to set things right and make sure everyone has a happy ending.

At the beach, Pinkalicious and her brother help a tiny mermaid, a merminnie, to go back home.

"This full-color, fully illustrated book tells you all you need to know about the myths, science, and history that surround mermaids"--

When Scuttle wrecks the sand castle that Ariel had built on the beach, the two must learn to understand each other's feelings in order to save their friendship.