| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Prison suicide: What happens afterwards? | Hardcover | 978-1-4473-4789-7 | 2018 |
| Prison suicide: What happens afterwards? | Digital | 978-1-4473-4790-3 | 2018 |
| The Penal Voluntary Sector | Paperback | 978-1-138-50005-1 | 2018 |
| The Penal Voluntary Sector | Hardcover | 978-1-138-18982-9 | 2016 |