Edgar Wallace 
The Clue Of The Twisted Candle 

The Urbane T.X. is back in this locked-room mystery by British master storyteller Edgar Wallace.The renown mystery writer John Lexman is charged with murder and sent to prison. His friend T.X. Meredith, employed by Scotland Yard, tries to prove his innocence.A good 'room locked from the inside’ who and how dunnit. It has everything – mystery, adventure, a villain, love, a new romance, revenge, a gentleman detective, a one armed man, small handguns and long knives galore and of course cellars and locked rooms.