"A masterpiece . . ." THE NEW YORK TIMES The scene is London, where Jonathan Hemlock is blackmailed into performing another "sanction" -- a top-secret political assassination -- in a nerve-wracking web involving dirty dealings among high-ranking British government officials and a British counterespionage group. Once again Hemlock's life hangs in the balance -- but this time the game is deadlier, the penalty for failure more grotesquely lethal than...