| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Codebusters | Digital | 978-1-4729-4339-2 | 2017 |
| Codebusters | Paperback | 978-1-4729-4341-5 | 2017 |
| Codebusters | Digital | 978-1-4729-4342-2 | 2017 |
| The Catacombs of Chaos A Lottie Lipton Adventure | " | 978-1-4729-2756-9 | 2016 |
| The Catacombs of Chaos A Lottie Lipton Adventure | " | 978-1-4729-2757-6 | 2016 |
| The Eagle of Rome A Lottie Lipton Adventure | " | 978-1-4729-2759-0 | 2016 |
| The Eagle of Rome A Lottie Lipton Adventure | " | 978-1-4729-2760-6 | 2016 |