- Collins Big Book of Crosswords Book 1: 300 puzzles
- Collins Pub Quiz (Difficult)
- Bradford’s Crossword Solver’s Dictionary: More than 330,000 solutions for cryptic and quick puzzles
- Su Doku Challenge Book 2: 200 Su Doku puzzles (Collins Su Doku)
- Coffee Break Su Doku Book 3: 200 challenging Su Doku puzzles