| title | ISBN-13 | year of publication |
|---|---|---|
| Are You Crazy?: 18 Scientific Quizzes to Test Yourself | 978-0-399-53158-3 | 2005 |
| How Do You Compare? | 978-0-399-52951-1 | 2004 |
| Ocen swoje szalenstwo. 18 testów psychologicznych, dzieki którym poznasz siebie | 978-83-246-1334-2 | |
| The Truth About You: Discover Hidden Truths About Yourself and Enhance Your Life | 978-0-09-190013-7 | 2004 |
A N · A. N. Williams · A. W. · A. Williams · Andrew W. · Andrew Williams · N. Williams · Williams Andrew N.
Helion · Penguin Putnam · Random House