The Darkest Tide

In a broken world that has forgotten its name, everyone has a secret. In a broken world that has forgotten its name, everyone has a secret. Una One-Eye sees with the eye that isn't there, but the fishmen overlords must never know or they will kill her. Una's mother knows how her child lost her eye and why. That is her deadly secret. Fiachra, Haldan Red-Hair's thrall, is more than he seems, and he sees the sapphire fire in Una's empty orbit, but he keeps that to himself. Somewhere, a power is hidden that can destroy the tyranny of the fishmen and rebuild the drowned world of Ys. But where and how is the eye's secret?