Lantern Beach Guardians Series by Christy Barritt

When Cassidy and Ty find a child on the beach, mute from some kind of unknown trauma, they begin a search for her family. Clues washing up from a shipwreck reveal few details about what might have happened to the child. But, as they uncover more, they discover something that has more far reaching implications than they ever imagined . . . and now it's a fight to save everything they love.

Just when things seem to be settling down, an explosive new secret rips Ty and Cassidy's serenity apart.

The thrilling conclusion to the Lantern Beach Guardian series!