| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 2013 |
|
The Dark Secret | Scholastic Press | Novel | |
| September 2014 |
|
The Dark Secret | Scholastic Press | Novel | |
| September 2014 | The Dark Secret | Turtleback Books | Novel | ||
| October 2014 |
|
The Dark Secret | Scholastic UK | Novel | |
| August 2015 |
|
Wings of Fire | Scholastic Paperbacks | Omnibus | |
| February 2020 | The Dark Secret | Thorndike Press | Novel | ||
| February 2020 | The Dark Secret | Thorndike Press | Novel | ||
| February 2021 |
|
The First Five Books | Scholastic | Omnibus | |4 |
| March 2023 | The Dark Secret | Scholastic | Novel | ||
| October 2025 |
|
The Dark Secret | Scholastic | Novel | |
| November 2025 |
|
Wings of Fire: Special Edition | Scholastic | Omnibus | |4 |