| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Lady of Leisure: Awfully Good Puzzles, Quizzes and Games | 978-1-78741-233-0 (1-78741-233-4) | 2017 |
| The Bored Chap: Awfully Good Puzzles, Quizzes and Games: Full of truly super challenges for the distinguished gentleman on the go | 978-1-78741-178-4 (1-78741-178-8) | 2017 |