In this hilarious middle-grade series that's The Little Mermaid meets My Big Fat Zombie Goldfish, a trio of mermaids dive into a world of fabulous fashions, underwater escapades . . . and mercats!

Smart, daring mermaid trio Beattie, Mimi and Zelda, along with Steve the talking seahorse, may have saved the Hidden Lagoon from danger. . . . But after they get trapped aboard a spooky ship called the Merry Mary, they end up stranded in the legendary Crocodile Kingdom! Can they avoid a crab-tastrophe and swim against the tide to get back home?

Meanwhile, on land, an ice-cream seller and gadget expert named Paris Silkensocks has uncovered a plot to destroy the mermaid world. Will she will be able to find and warn the mermaids of the impending danger before it's too late?

Filled with magical mysteries, glamorous fashion, and fin-tastic protagonists to root for, this hysterical sea-quel will keep readers hooked.