Will the sea's buried truth destroy them all?

Selith Academy trains elite merfolk to perfect their magical abilities by hosting a Trial every twelve years. Zinnia–one of their most gifted students–and her friend, Dru, witness Princh Loch threatening an infamous Sea Witch for his magical abilities despite the royal family hosting the upcoming Trial. The two friends start an investigation that will uncover buried truths and jeopardize the entire kingdom. Zinnia and Dru will find help from an unexpected source as they use their magic to help bind evil back into the depths, and will find themselves at the forefront of the battle that has surfaced after four centuries.

If you liked Deep Blue by Jennifer Donnelly, Breakwater by Catherine Jones Payne, or The Mermaid by Christina Henry, you'll love this.