Across
- 2. The fastest land animal in the world
- 4. City where Big Ben is
- 5. Where the snake lives
- 6. Helen's sister
- 8. The woman who recommended Holmes to Helen
- 10. A type of gun
- 11. Rope The snake climbed down this
- 12. Some say it is the best day of their lives
Down
- 1. One of the deadliest snakes in India
- 3. Something so small a rat could not pass through
- 7. Type of money owned by Dr Roylott
- 9. To be covered in dots
- 12. Sometimes a command, sometimes an instrument