por Gareth Ryder-Hanrahan
Trail of Cthulhu RPG, de Gareth Ryder-Hanrahan, reúne 6 libros de la serie.
Trail of Cthulhu
2008
Rough Magicks
2009
Bookhounds of London
2010
Shadows Over Filmland
Arkham Detective Tales
Cthulhu City
2017
10 libros
3 libros