Bookhounds of LondonThese cycles of experience, of course, all stem from that worm riddled book. I remember when I found it in a dimly lighted place near the black, oily river where the mists always swirl. The Book Forbidden Tomes Bookhounds of London is a brand new campaign setting for Trail of Cthulhu, packed with period detail, where the Investigators seek out books about horror and strangeness and become, seemingly inevitably, drawn into the horror themselves. It