Dr Horatio Slacks is the writer of the Dangerous Things series, which includes the following books:
- Dangerous Things: Stargazing In Remote Areas
- Dangerous Things: Lightning
- Dangerous Things: Industrial Machinery
- Dangerous Things: Gunpowder
- Dangerous Things: Ladders.
Trivia[]
- He is buried in Mourningwood. His tombstone reads, "Dr Horatio Slacks. Didn't follow his own advice."