Dr. Graham Tattersall · G. T. · Guðrún Theodórsdóttir · Guorun Theodorsdottir
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Geekspeak: How Life + Mathematics = Happiness | 978-0-06-162924-2 (0-06-162924-3) | 2008 |
| Geekspeak: Why Life + Mathematics = Happiness | 978-0-00-726338-7 (0-00-726338-4) | 2007 |
| Geekspeak: Why Life + Mathematics = Happiness | 978-0-00-728553-2 (0-00-728553-1) |