Dark Guardian — Christine Feehan

They were masters of the darkness, searching through eternity for a mistress of the light....

He ran with the wolves...materialized from the mists...hijacked the very heavens to his whims
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He was the dark guardian of his people. So how, after centuries of a bleak, soulless existence had he, Lucian Daratrazanoff, suddenly come to crave petite, curvy, colorful lady cop Jaxon Montgomery, who foolishly made it her life's work to protect others from harm?

Fiercely daring, Jaxx would sacrifice anything to shield others-- particularly since a deadly menace dogged her every footstep, threatening all who got close to her. And strangely seductive, piercingly erotic Lucian was no exception. Lucian was powerfully, perilously mesmerizing--oddly gentle yet clearly a born predator. He had vowed to possess her, to guard her for all time. Yet with his every thirsty kiss, was he drawing Jaxon more deeply into danger . . . and his dark, mysterious desires?