| title | ISBN-13 | year of publication |
|---|---|---|
| Brain Training Puzzles: Codewords | 978-1-84732-780-2 | 2011 |
| Brain Training Puzzles: Crosswords | 978-1-84732-779-6 | 2011 |
| Pocket Brain Training: Killer Sudoku 1 | 978-1-84732-246-3 | 2009 |
| Pretty Puzzles: Classic Crosswords for Discerning Solvers | 978-1-84732-787-1 | 2011 |