| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Can I tell you about Stammering?: A guide for friends, family and professionals | 978-1-84905-415-7 (1-84905-415-0) | 2013 |
| Can I tell you about Stuttering?: A guide for friends, family and professionals | 978-1-84905-435-5 (1-84905-435-5) | 2013 |