A hooded serial killer finds a novel way to murder his victims–he lashes them to death with a whip. The police try to track him down before any more murders…

The sister of some renowned, but as uncaught, offender termed The Hexer is murdered. Inspector Higgins of Scotland Yard considers that The Hexer will likely surface to carry his own…

The two Scotland Yard and a amateur American sleuth are monitoring a master criminal called The Frog. This moniker describes the bulging-eyed mask worn by the evildoer, also can be…