| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Forever Eric | Paperback | 978-1-4627-5616-2 | 2015 |
| Forever Eric | Hardcover | 978-1-4627-5617-9 | 2015 |
| They Will Never Be Forgotten | Paperback | 978-1-4627-5588-2 | 2014 |
| They Will Never Be Forgotten | Hardcover | 978-1-4627-5589-9 | 2014 |