| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 102 Cryptic Crosswords | 978-1-4027-5489-0 (1-4027-5489-2) | 2008 | |
| Classic IQ Tests | 978-1-4027-1672-0 (1-4027-1672-9) | 2005 | Philip J. Carter · Kenneth A. Russell |
| The Brainiac's Puzzle Book | 978-1-4027-0875-6 (1-4027-0875-0) | 2003 | Frank Longo · Terry Stickels |