Rescue Sirens and the Great Fish Round-Up

Rescue Sirens and the Great Fish Round-Up is a illustrated novel, written by Jessica Steele-Sanders and Chris Sanders. Interior illustrations by Dylan Bonner.

Synopsis
Nim is no ordinary lifeguard. She's a Rescue Siren -- a mermaid in disguise! As a Rescue Siren, it's Nim's job to help people and animals. When strange fish start showing up in the ocean one day, Nim knows that it's up to her and her mermaid friends to investigate. Where did these fish come from, and what should the mermaids do with them? Find out in "Rescue Sirens and the Great Fish Round-Up"!