Blood Ties
By Karen E. Taylor, 1995
Series: Vampire Legacy

Third in the series. "Blood Ties, (originally titled Beauty For Earth Too Dear) 'finishes' the saga of Deirdre and Mitch. At the request of The Cadre, the international organization of vampires, they are called back to the city to deal with a rogue vampire." (from Karen E. Taylor's website)

"Deirdre returns with her lover, Detective Mitch Greer, to track down a vampire who is killing off New York's undead." (summary from Amazon.com)