| title | ISBN-13 | year of publication | |
|---|---|---|---|
| 101 Word Games | 978-3-464-03851-2 | 2000 | |
| Brief Encounters: A Practice and Activities Book for Intermediate Esl/Efl Students | 978-0-06-044319-1 | 1987 | |
| Idiom drills for students of English as a second language | 978-0-06-044322-1 | 1983 | |
| Impossible Dreams | 978-0-304-30118-8 | 1978 | |
| One Hundred and One Word Games: For Students of English as a Second or Foreign Language | 978-0-19-502742-6 | 1980 | |
| Prettiest Girl in Town | 978-0-02-974590-8 | 1973 | |
| Secret Formula | 978-0-304-30117-1 | 1978 | |
| Visitor from Another Planet | 978-3-464-02280-1 | 1996 | |
| Visitor from Another Planet and Other Plays | 978-0-19-502743-3 | 1982 | |
| Visitor from Another Planet and Other Plays: Tchrs' | 978-0-19-503167-6 | 1982 |
G.M. · G. P. · George M. · George McCallum · George P · George P. MacCallum · P.M. · P. McCallum
Cassell · Cornelsen Verlag · HarperCollins · Macmillan · Oxford University Press