An Elegy for Melusine by Claire Delacroix

Cursed to shift shape for one day each week, Melusine knows that only love can set her free. When she encounters Raymond, a handsome knight in desperate need of help that only she can give, she believes her chance has come. She vows to be his devoted wife and earn his love, even as she chooses to keep her curse secret. When their happy match is tested by misfortune, Raymond vows to prove jealous whispers wrong. Will he be tempted to break his pledge to Melusine in search of the truth? And will his love of his bride survive if her secret is revealed?