- A deluxe boxed set containing a comprehensive guide to 1920s London: Her cultures, peoples and historic places, and all manner of things to see and do.
- A detailed Mythos guide to London: Dark cults, powerful antagonists, sites of power and insane plots.
- New professions, spells and items.
- A collection of exciting adventures based in 1920s London.
- A proliferation of maps and handouts and more.
- Everything Keepers need to create their own campaigns and adventures in London.