Kirkus Review

A rhyming undersea celebration. Murray and Flowers stay true to the formula of Unicorn Day (2019), though this time it's a group of mermaids who are getting together for a can't-miss shindig. In honor of Mermaid Day, a tan-skinned mer-queen is hosting "a great big bash!" After the preparations are complete, the guests--mer-friends and marine animals alike--swim inside the mer-queen's castle for a day of fun. The mer-queen invites the partygoers to try on the jewelry from her treasure chest. Then it's time to make music, dance with dolphins, ride seahorses, and play a game involving tossing rings onto the narwhals' horns. A fabulous full spread is dedicated to the arrival of an intruding shark, but Murray subverts expectations by revealing that this fearsome-looking underwater predator just wants to join the jamboree. Anyone seeking a more subdued story should look elsewhere--the scenes are unapologetically busy in color, layout, and word choice. The mer-queen's lavish castle looks like a layered cake festooned with decorations, while the treasure chest bursts with bling. This book delivers on its promise of a fun-filled day--mermaid fans will turn the pages again and again. The mer-friends are diverse in skin tone. (This book was reviewed digitally.) A joyful romp from beginning to end. (Picture book. 3-6) Copyright (c) Kirkus Reviews, used with permission.