I highly recommend this book to readers.

One of the most gripping books I've read, Unholy Alliance is a book that can't be put down.  If you enjoy reading murder mysteries, detective tales, psychological thrillers.... Unholy Alliance will grab you and hold you 'til the last page.  Two of the main good characters are two women, both strong in their own ways, both with pasts filled with violence and abuse; both with a will to survive.  One is a homicide detective trying to prove herself and put her past behind, and the other is a would-be journalist trying to overcome an abusive past and a physical disability - the loss of one leg because of the past abuse.  They are thrown together by circumstances and are bound together as they seek the answers to brutal slayings, and the perpetrator., who has targeted one of them for himself.   

The villain is a brutal, insane serial killer who collects body parts and leaves a signature:
a glass rose.  Any mystery lover must read it from beginning to end in one sitting. 

"And that's when he saw it, felt it.  First came the hand holding the hunting knife with the enormous blade.  Sharp looking.  So sharp that when it crossed his throat he didn't feel a thing."   I highly recommend this to mystery readers.