The Sphinx's Heart

Mistakes have consequences. This one could unleash hell on Earth.

As the most powerful undine healer since the woman who sank Atlantis, Calandra was supposed to be the saviour of her people. Instead, the malicious dragon spirit who haunted her dreams has been freed from the Abyss, the peaceful society of Sirenia has been plunged into revolutionary chaos, and her own brother, Zale, has inexplicably turned against her. Worse, though Calandra knows why she is going insane, she doesn't know how ...