Main Characters
Incidental Characters
- Mrs Watson
- Lord Holdhurst
- Charles Gorot
- Mrs Tangey
- Commissionaire-Mr Tangey
- Inspector Forbes
- Dr Ferrier
- Mrs Hudson
- Waterloo Station, London
- Charles Street, London
- Whitehall, London
- 16 Ivy Lane, Brixton, London
- Scotland Yard
- Downing Street, London
- Ripley, Surrey
Untold Cases
Messages and Rituals
Artifacts and Curiosities
Disguises and Deceptions
Sayings
Character Illustrations
Deductions
Additional Information