Neither human nor vampire, bodyguard Celia Graves has become an Abomination--and everyone wants her dead. With the help of a few loyal friends--a sexy mage, a powerful werewolf, and a psychic cop--Celia does her best to stay alive. On the run from her enemies, Celia must try to discover who is behind her transformation ... before it's too late.

USA Today bestselling author Cat Adams delivers another page-turning Blood Singer novel with The Isis Collar. Celia Graves was once an ordinary human, but those days are long gone. Now she strives to maintain her sanity and her soul while juggling both vampire abilities and the powers of a Siren. Warned of a magical "bomb" at a local elementary school, Celia forces an evacuation. Oddly, the explosion seems to have no effect, puzzling both Celia...

Celia Adams, bodyguard, part siren, part vampire is called upon by her aunt, who is the queen of the sirens, to act as her cousin Adriana's bodyguard during Adriana's wedding since a conspiracy is afoot.

An ifrit tries to take over Celia Graves's body so he can free thousands of evil djinn to plague mankind in Cat Adam's All Your Wishes. A client begs Celia Graves-part human, part Siren, part vampire-to help return a genie to his bottle. The attempt makes Celia a target for the currently incorporeal ifrit. If she doesn't give him her body, he'll kill everyone she loves. If she does, he'll use her physical form to free thousands of evil djinn. Celia's...