Shelly has always wanted a sister, so when she meets Coral, a mermaid, and brings her home, it seems like her wish has been granted.

"The purrmaids' homework assignment is to find something special to bring to class. Will they be brave enough to swim far away from Kittentail Cove and explore Tortoiseshell Reef to find the perfect thing? Or will they be scaredy cats?"--

Having long wondered what lives beyond the ice shelf, nineteen-year-old mermaid Ersel learns of the life she wants when she rescues and befriends Ragna, a shield-maiden stranded on the merfolk's fortress. But when Ersel's childhood friend and suitor catches them together, he gives Ersel a choice: say goodbye to Ragna or face justice at the hands of the glacier's brutal king. Determined to forge a different fate, Ersel seeks help from the divine Loki....

Molly enjoys her first day at Mermaid School, where she makes new friends, learns new things, and hears a story about children with no tails.

Pearl Swamp is not happy when her selection as the next winter princess is overshadowed by her family's decision to adopt a baby boy.

When signs of the eight ajogun begin to appear, Simi teams up with the corrupt trickster god Esu to stop the demon warlords before they enter the human realm and ruin humankind. To save those closest to her, Simi traded away everything: her freedom, her family, and the boy she loves. Now she is sworn to serve a new god, watching over the Land of the Dead at the bottom of the ocean. When signs of demons begin to appear, it is clear there are deeper...

As they search for their missing father near their Cornwall home, Sapphy and her brother Conor learn about their family's connection to the domains of air and of water.

Five young mermaids start out together on an adventure but, one by one, find a reason to stay in a different sea in this illustrated, rhyming, count-down book. Includes information about mermaids, oceans, and sea creatures.

Vera the mermaid and her half-octopus friend Beaker go on playful adventures in the underwater town of Tidal Grove.

"Sophie Swankowski is the hero from the stories she's been hearing all her life: she's the girl who will save the world. Or so she's been told. Now she and her unlikely guardian, the gruff, filthy mermaid Syrena, must travel the pitch-black seas from broken-down Chelsea, Massachusetts, to Syrena's homeland in Poland. Along the way, Syrena will reveal the terrible truth about her past, and teach Sophie about the ages-old source of her newly-discovered...