Main Characters
Incidental Characters
- Morse Hudson
- Dr Barnicot
- Horace Harker
- Manager of Gelder & Co.
- Harding Bros
- Josiah Brown of Laburnum Lodge
- Mr Sandeford of Reading
- Pietro Venucci
- Lucretia Venucci
- Inspector Hill
- Kennington Road, London
- 131 Pitt Street, London
- Two doors from the High Street Station, Kensington
- Laburnum Lodge, Laburnum Vale, Chiswick, London
- Empty house in Campden House Road
- Church Street, Stepney, London
Messages and Rituals
Artifacts and Curiosities
Disguises and Deceptions
Sayings
Character Illustrations
Deductions
Additional Information