The distance : a thriller
(Book)

Charlotte Alton is an elegant socialite. But behind the locked doors of her sleek, high-security apartment in London's Docklands, she becomes Karla. Karla's business is information. Specifically, making it disappear. She's the unseen figure who, for a commanding price, will cover a criminal's tracks. A perfectionist, she's only made one slip in her career{u2014}several years ago she revealed her face to a man named Simon Johanssen, an ex-special forces sniper turned killer-for-hire. After a mob hit went horrifically wrong, Johanssen needed to disappear, and Karla helped him. He became a regular client, and then, one day, she stepped out of the shadows for reasons unclear to even herself. Now, after a long absence, Johanssen has resurfaced with a job, and he needs Karla's help again.