G.S. Denning

G.S. Denning

G.S. Denning has written at least 6 books. Their most popular book is A Study in Brimstone with 54 saves with an average rating of 3.64⭐.

A Study in Brimstone
The Hell-Hound of the Baskervilles
My Grave Ritual
The Sign of the Nine
Cover 6

The Finality Problem

Cover 6

Warlock Holmes