| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Are You Smart, or What? A Bizarre Book of Games & Fun for Everyone | 978-0-9708253-0-8 (0-9708253-0-7) | 2001 |
| So You Think You're Smart: 150 Fun and Challenging Brain Teasers | 978-0-9708253-1-5 (0-9708253-1-5) | 2002 |
| So You Think You're Smart: 150 Fun and Challenging Brain Teasers | 978-0-8306-3106-3 (0-8306-3106-2) | 1988 |