This volume is a Companion to the 3rd Edition Call of Cthulhu rules, which allows the full horrors of the Cthulhu Mythos to be enacted in good old 1920s-30s Britain, Heart of the Empire, Centre of Civilisation and an all-around-top-hole, spiffing place to set your Call of Cthulhu campaign, what?

Featured within are sections on British Characters, History, Travel, the Occult, and much more besides, which provide all the information Keepers require for British Cthulhu roleplay.

Also included - three new adventures!
The Horror of the Glen, Death in the Post, The Shadow over Darkbank