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

"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....

"Ella's family has a BIG secret - her mom is a fairy! Ella's dream is to become a fairy like her mom someday...but now she wishes for a spell to turn into a mermaid too! In this enchanting book, Ella and her mom decorate the kitchen with magic coloring pencils, catch a robber on Ella's school trip - and swim with real mermaids!"--Amazon.com

Billy and his sister, Sheena, are visiting a tiny Caribbean island. It's the perfect place for an underwater adventure. There's only one rule to remember: Stay away from the coral reefs. But Billy can't resist the beauty of the reefs -- and he quickly discovers that he's not alone. Something that's half-human, half-fish is lurking deep below.

When Splash the merminnie's flashy tricks get him in trouble, it's up to Pinkalicious and her friends to save him.

"A mermaid and her otter friend go on a journey to help a lost beluga whale return to the Arctic."-- Provided by publisher.

When young Pearl, a mermaid, becomes caretaker of a single grain of sand, she discovers that performing even the smallest task well can transform the world.

Oona the mermaid is friends with everyone, but when her attempts to befriend a shark with sensory issues fail miserably she realizes what may be fun for her may be overwhelming for him.

Mermaid Echo is doing tail flips because she's going to see her favorite under-the-sea band, the Rays. They're performing for Pearl's birthday party and everyone at Trident Academy is invited except Echo's best friend Shelly.

Each of King Neptune's fifty mermaid daughters seemed more remarkable than the last, except for little Minnow, who seems to be good only at asking questions. When she finds a strange object, Minnow follows her questions to a wondrous world and finds answers, including the answer to the most important question of all: Who am I?