Related Clues:
- Puzzling crime novel
- A mystery, perhaps, where small stream feeds into the river
- Exciting book or film
- Mystery of runner dumped in the river, perhaps?
- It's a puzzle when first person's tyres exploded
- Something that cannot be explained
- Stream flows into the river - exciting story?
- Book an hour in the Plough
- Crime story
- Setter's almost back with your first puzzle
- Suspense movie genre (8)
- Whodunnit? It remains a secret
- Guide on boat restricting hour for exciting film
- See 13 Across
- Month without a set larking on railway? It can't be explained