Thus Ivan Dragomiloff, founder and mastermind of the secret Assassination Bureau, signs his own death warrant and sets off a lethal cat-and-mouse game, pitting himself against the very organization of ruthless killers he created to rid the State of its most pernicious enemies. Jack London's unfinished suspense thriller, completed by Robert L. Fish and first published in 1963, eerily foreshadowed the conspiracy theories surrounding the assassination of President Kennedy.