This comical and heartfelt picture book is a winning celebration of invention, creativity, and friendship. With gorgeous underwater scenes and a crowd-pleasing tale, this is one little mermaid who is here to make a splash!

New York Timesbestselling author Kelly DiPucchio and Coretta Scott King Illustrator Award winner Raissa Figueroa would like to introduce Oonathe big wide seaslittlestmischief-maker.

Oona and her best friend Otto love to search for treasureand often find trouble instead.

Messy trouble.

Tricky trouble.

Even shark-related trouble.

Thats never stopped them before, though!

After all, nopropertreasure hunt is without some adventure. But when the grandest treasure yet is stuck in a deep, dark rift, Oonas not sure if she can dive right in. What might be waiting for her in those unknown waters?