In a world where magic is real and the supernatural is almost normal, bodyguard Celia Graves has survived a vampire attack which made her a half-vampire and awakened her latent Siren abilities. She’s battled a Siren Queen to the death and twice faced down a demon that wants to kill her--slowly. She’s also had her heart broken--twice--by her old flame, magician Bruno DeLuca.

Perhaps the worst thing was the discovery that Celia’s life has been warped by a curse laid on her during childhood--the cause of everything from the death of her little sister to the murder of her best friend the same night that Celia became an Abomination.

An ancient rift between the demonic dimension and our own--sealed during the destruction of Atlantis--begins to open, threatening to loose all the demons of hell on humanity (including the one personally bent on destroying Celia). Celia’s hellish recent experiences have given her the unique combination of abilities needed to close the rift. But to overcome the curse, which nearly guarantees her failure, she’ll need to join forces with people she no longer trusts...and put people she has come to care about directly in harm’s way.

From Publishers Weekly

Adams (a joint pseudonym for C.T. Adams and Cathy Clamp) delivers a satisfying third Celia Graves adventure to follow 2010's Blood Song and Siren Song. Bodyguard by profession, vampire by accident, and siren by heritage, Celia leads a life of excitement and turmoil, struggling to control her bloodlust and dark impulses even as she discovers new abilities. Her attempts to maintain a normal existence are stymied by anti-vampire prejudice, a death curse, and a demonic invasion that could destroy the world. Her only hope lies in finding a set of long-lost artifacts, deciphering the prophecies of a deceased friend, and persuading quarrelsome allies to work together. This series just keeps getting better, maintaining a delicate balance between urban fantasy and paranormal romance. The emotional components are just as strong as the action sequences, set against an increasingly interesting world. (Mar.)
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Review

"Urban fantasy gets a noteworthy talent boost as Adams—C.T. Adams and Cathy Clamp—launches a vibrant new series featuring an indomitable and likeable heroine.  As Celia's world darkens and intensifies, witty dialogue and introspection keep the story flowing. Grab some snacks and settle in for a wild ride!"--_RT Book Reviews_ on _Blood Song

"Adams and Clamp are adept at writing intensely sensuous scenes, but where they really shine is in the creation of an unforgettable world. Laurel K. Hamilton readers will enjoy this."--Booklist_ on _Moon’s Web

_“Action-packed and sexy, a tense and thrilling joyride. Will have readers holding their breath from the first page to the very last.”--Yasmine Galernorn, New York_ Times_ bestselling author

“_Cold Moon Rising_ [has] plenty of action, a wealth of detail, and supernatural features that are just plain cool. In fact, I'm a little envious. I wish I'd thought of some of this stuff."--Jim Butcher, New York_ Times _bestselling author

In a world where bloodthirsty vampires roam the night and street corner psychics have real powers, bodyguard Celia Graves always thought she was an ordinary human―but that was never true. By ancestry, she's half-Siren. A vicious vampire attack has turned her into a creature who finds sunlight painful and must take all her food in liquid form―but who still possesses a human heart, mind, and soul.

Her bodyguard business is booming: who wouldn't want to be protected by a sexy woman who is half-vampire, half-Siren princess, and a crack shot? Unfortunately, it looks like Celia may have little time to enjoy her newfound fame . . .

A rift is opening between the demonic dimension and our own, threatening to set hell's denizens free (including the demon personally bent on destroying Celia). Celia's recent troubles may have given her the unique combination of abilities needed to close the rift. But to overcome a death curse which nearly guarantees her failure, she'll need to join forces with people she no longer trusts . . . and put people she cares about directly in harm's way.

Kirkus Reviews calls Cat Adam's Demon Song "A warmly involving, action-packed yarn" and Publishers Weekly says the Blood Singer series "just keeps getting better"!