Villanelle (a codename) is one of the world's most skilled assassins. A catlike psychopath whose love for the creature comforts of her luxurious lifestyle is second only to her love of the game, she specializes in murdering the world's richest and most powerful. But when she murders an influential Russian politician, she draws a relentless foe to her tail.

"The basis of the hit BBC America series"--Cover. Originally published in hardcover as: Codename Villanelle.