| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Brain Bafflers | 978-1-4027-4095-4 | 2006 | Philip J. Carter |
| Classic IQ Tests | 978-1-4027-1672-0 | 2005 | Philip J. Carter · Fraser Simpson |
| Maximize Your IQ | 978-1-4027-3273-7 | 2007 | Philip J. Carter |
| Mind Teasers | 978-1-4027-4795-3 | 2007 | " |
| The Book of IQ Tests: 25 Self-Scoring Quizzes to Sharpen Your Mind | 978-1-4027-5735-8 | 2008 | " |
| Workout for a Balanced Brain: Exercises, Puzzles & Games to Sharpen Both Sides of Your Brain | 978-0-7621-0331-7 | 2001 | Philip J. Carter · Ken Russell |
A. R. · A. Russell · k.A. · K. R. · K. Russell · Kenneth A. · Kenneth R. · Kenneth Russell