| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| How to Win Short Story Competitions: Second Edition | 978-1-7198-6166-3 | 2018 | Geoff Nelder |
| The Date-A-Base Book 2019: 1,500 newsworthy and notable anniversaries in 2019 | 978-1-9806-2609-1 | 2018 | |
| The Date-A-Base Book 2020: 1,800 newsworthy and notable anniversaries in 2020 | 978-1-9832-3421-7 | 2018 | |
| The Date-A-Base Book 2021: 2,000 newsworthy and notable anniversaries in 2021 | 978-1-0702-9007-2 | 2019 | |