Mermaid kittens and best friends Angel, Shelly, and Coral dive headfirst into working on their art project together, until their fun is nearly ruined when they run into their rivals, a trio of purrmaids called the Catfish Club.

Purrmaid Shelly is taking care of sea horse and new class pet, Bubbles, who looks mysteriously unwell; luckily Shelly and her two best friends discover how to perk Bubbles up, and in the process learn why some animals are not meant to be pets.--Provided by Publisher.

In Kittentail Cove, Paw-loween is a super fun holiday! Shelly, Coral, and Angel can't wait to decorate jelly-o-lanterns, dress up in costumes, and go to the Paw-loween festival! But Coral is a little nervous about the Haunted House. Can this scaredy cat learn to be brave so she can see her purr-fect pumpkin on display in the house? Maybe with a little help from her friends!

As a school project, best friends and purrmaids Angel, Coral, and Shelly set out in search of a mermicorn.