Una guía de Londres en los años veinte. Edición en caja que contiene tres libros, mapas y ayudas de juego:
Contenidos
| # | ▲Título▼ | ▲C▼ | Autor | V |
|---|
| 0 | Cover for "Cthulhu Britannica London" |   | Jon Hodgson | — |
| 1 | London in the 1920s |   | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 2 | The Twenties: Year by Year | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 3 | Getting to London | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 4 | Getting Around London | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 5 | The People of London |  | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 6 | Shopping in London | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 7 | Technology, Communications and the News | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 8 | Entertainment in London | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 9 | Law and Order ("Cthulhu Britannica: London") | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Benjamin Wright | — |
| 10 | The London Guide | | Stuart Boon, Andrew Kenrick, James King, Mark Latham, Alistair Montgomery, David Wade, James Wallis, Peter Wright | — |
| 11 | Bringing Mythos London to Life | | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 12 | A Keeper's History of London | | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 13 | Unusual Locations | | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 14 | The People of London | | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 15 | Mythos Threats |  | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 16 | Mythos Spells and Tomes | | Stuart Boon, Paula Dempsey, Steve Dempsey, Scott Dorward, Bret Kramer, David Wade, James Wallis | — |
| 17 | Terror on the Thames | | Peter Wright | — |
| 18 | Those Poor Souls Who Dwell in Light | | Paul Fricker | 7.00 |
| 19 | The Non-Euclidean Gate  | | Mark Latham | — |
