Main Characters
Incidental Characters
- Peterson the Commissionaire
- Countess of Morcar
- John Horner
- Catherine Cusack
- Inspector Bradstreet
- Mrs Hudson
- Mr Windigate
- Breckinridge
- Maggie Oakshott
- Maudesley
- 221b Baker Street
- Goodge Street
- Tottenham Court Road
- Cosmopolitan Hotel
- Amoy River
- Alpha Inn
- British Museum
- Doctors’ quarter. Wimpole Street and Harley Street.
- Wigmore Street, Oxford Street
- Bloomsbury
- Covent Garden
- Holborn
- Brixton Road
- Pentonville Prison
- Kilburn, London
Messages and Rituals
Artifacts and Curiosities
Sayings
Character Illustrations
Deductions
Additional Information