Heart of Stone by Cynthia Eden

She was created to tempt…and enchant. Sabrina Lark is a muse who has the ability to inspire any man…to do absolutely anything. Unfortunately for Sabrina, the latest human to fall under her spell has turned out to have one very dark side. Now he’s obsessed with her, and she’s realized—too late—that she just inspired a serial killer. She truly has the worst luck in the world. Desperate, Sabrina makes a deal with the devil in order to get some serious paranormal protection. Her protection comes in the oh-so-sexy form of Adam Cross, a man who is able to resist her magic…because Adam really is made of stone.

He’s a real beast on the outside… Cursed centuries before, Adam is a gargoyle. Fierce, strong, and absolutely unstoppable, he is the guard who is placed at Sabrina’s side. He’s supposed to protect her from every danger…he is not supposed to find himself falling under the seductive Sabrina’s spell. But even a man with a heart of stone can find himself pushed too far… Sabrina thinks she may have found the perfect lover, but Adam’s past is about to come back and bite them both…and he may not be the man she can trust, after all. If she can’t find a way to touch the man inside the beast, if she can’t make his stone heart burn for her, then they’ll be lost.