Related Clues:
- Imagine leader's left horrible problem
- Puzzle's meaning heartlessly distorted
- Whodunnit? It remains a secret
- See 13 Across
- Wartime machine repelled a bomb, limiting opening for Germany
- Not starting imagine unravelling puzzle
- Month without a set larking on railway? It can't be explained
- The writer's tale given a new middle section -- detective story?
- Obscure meaning with note put out in mystery
- Mysterious person
- Cipher decrypted -- meaning navy's stood down
- Game in crackers is a mystery
- Unexpected gem in a puzzle
- Riddle cracked in game
- and 12 Across: Pieces by 21 Down, such as 4 -- and 22?