| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| New Choice English Dictionary, The | 978-1-84205-788-9 (1-84205-788-X) | 2017 |
| Spanish-English English-Spanish Dictionary | 978-1-85534-330-6 (1-85534-330-4) | 1998 |
| Student's Companion | 978-1-84205-167-2 (1-84205-167-9) | 2002 |