J C · James C. · James Coomber Howard Peet · James E. Coomber
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Wordskill 4 The English Book | 978-0-574-42050-3 (0-574-42050-9) | 1979 | James E. Coomber · Howard D. Peet · Allan A. Glatthorn |
| Wordskill 6: The English Book | 978-0-574-42056-5 (0-574-42056-8) | 1982 | James E. Coomber · Howard D. Peet · Allan A. Glatthorn |