''Jack O'Judgment'' is a 1920

thriller novel Thriller is a genre of fiction, having numerous, often overlapping subgenres. Thrillers are characterized and defined by the moods they elicit, giving viewers heightened feelings of suspense, excitement, surprise, anticipation and anxiety. Su ...

by the British writer Edgar Wallace. It features a

vigilante Vigilantism () is the act of preventing, investigating and punishing perceived offenses and crimes without Right, legal authority. A vigilante (from Spanish, Italian and Portuguese “vigilante”, which means "sentinel" or "watcher") is a pers ...

who takes action against a gang of

blackmail Blackmail is an act of coercion using the threat of revealing or publicizing either substantially true or false information about a person or people unless certain demands are met. It is often damaging information, and it may be revealed to fa ...

ers, using a mysterious identity and leaving the Jack of Clubs as a

calling card ''Calling Card'' is the sixth studio album and eighth album overall by Irish singer/guitarist Rory Gallagher. A 1976 release, it was his second of four albums released on Chrysalis Records in the 1970s. Deep Purple/Rainbow bass guitarist Roger ...

References

1920 British novels Novels by Edgar Wallace British thriller novels {{1920s-thriller-novel-stub