Sands, Lynsay - The Rogue Hunter (Argeneau Vampire #10) (Rogue Hunter #1)

From the Publisher:
After eight hundred years as a bachelor, Garrett Mortimer, an immortal hunter assigned to protect the world from renegade vampires, finds himself strangely attracted to Samantha Willan, a workaholic attorney seeking some relaxation in a country cottage after a recent romantic breakup. Original.

Samantha Willan is a workaholic lawyer. She's grateful for some rest and relaxation in cottage country, and after a recent breakup she wants to stay as far away from romance as possible. Then she meets her irresistible new neighbor. There's something strange and mysterious about his eyes. Is it just her imagination, or are they locked on her neck?

Garrett Mortimer is a rogue hunter. His last assignment united Lucian Argeneau with his lifemate, and Mortimer is hoping this one will be less . . . adventurous. He's here to track down a reported rogue, but fun in the sun is every bloodsucker's nightmare. Worse, he can't seem to get his mind off Samantha, especially when he spies her skinny-dipping in the lake. After eight hundred years as a bachelor, is he ready to turn a volatile attraction into a lasting love affair?