Main Characters
Incidental Characters
Locations
- 221b Baker Street
- Grosvenor Mansions, London
- Birchmoor
- St. George’s, Hanover Square, London
- Lancaster Gate, London
- Hyde Park, London
- Allegro Theatre, London
- Serpentine, Hyde Park, London
- Trafalgar Square fountain, London
- McQuires Camp near the Rockies
- 226 Gordon Square, London
- Northumberland Avenue, London
Messages and Rituals
Artifacts and Curiosities
Sayings
Character Illustrations
Deductions
Additional Information