- Cryptic Crosswords 2: A collection of more than 100 baffling puzzles
- Guardian Cryptic Crosswords 4: A collection of more than 100 challenging puzzles
- Guardian Cryptic Crosswords 3: A collection of more than 100 satisfying puzzles
- Guardian Quick Crosswords 4: A collection of more than 200 engrossing puzzles
- Guardian Killer Sudoku 2: A collection of more than 200 formidable puzzles





















