M. T. · T. M · T.T. · THE UK -
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Ultimate Mathematical Challenge | 978-0-00-831640-2 (0-00-831640-6) | 2018 |
| The Ultimate Mathematical Challenge: Test Your Wits Against Our Finest Mathematicians | 978-0-00-831641-9 (0-00-831641-4) | 2018 |