Shades of Grey: Book Two of The Alexis Stanton Chronicles

Answering a strange "HELP WANTED" ad, placed by White and associates, Alex finds herself in a partnership with a company she knows almost nothing about. Along with her job she's acquired a new name and a whole new set of rules to live by. Now known as Ms. Grey, she realizes she even prefers that to Alex. One thing leads to another when she takes on a routine case. A legendary sniper known only as Penumbra, becomes her main focus. Can she unravel Penumbra's true identity and should she?