The stories deal with saturnine machinations and strange blood-brotherhoods in the Corsican mountains, with devilish doctors in the London suburbs whose brass name-plates advertise ‘Horrors Manufactured Here’ — with secret oaths and
macabre schemes to destroy the world, with Oxbridge Masters who perpetrate black crimes, and strange dons who commit even the unforgivable sin of voting for themselves at elections, with press lords flouting moral and legal taboos, and vicars forgetting even the most crucial commandments.”– H09