| title | media type | ISBN-13 | year of publica-
tion | other author(s) |
|---|
| Fifty-Fifty: A Basic Course in Communicative English | Audio Cassette | 978-0-13-920026-7 | 2000 | Roger Barnard |
| Fifty-Fifty: A Basic Course in Communicative English | " | 978-0-13-307141-2 | 1991 | " |
| Fifty-Fifty: A Basic Course in Communicative English | Paperback | 978-0-13-313354-7 | 1991 | " |
| Fifty-Fifty: A Basic Course in Communicative English Teacher's Book | " | 978-0-13-920018-2 | 2000 | " |
| Fifty-Fifty: A Basic Course in Communicative English, Teacher's Book | " | 978-0-13-307133-7 | 1991 | " |
| Fifty-Fifty, Book 1: A Basic Course in Communicative English | " | 978-0-13-920000-7 | 1998 | " |
| Fifty-Fifty, Book 1: A Speaking and Listening Course | " | 978-962-00-5665-9 | 2007 | " |
| Fifty-Fifty, Book 1: A Speaking and Listening Course Class CD | Audio CD | 978-962-00-5671-0 | 2007 | " |
| Fifty-Fifty, Book 1: A Speaking and Listening Course Teacher's Edition with Test Master CD-ROM Pack | Paperback | 978-962-00-5668-0 | 2007 | " |
| Fifty-Fifty Book 2: An Intermediate Course in Communicative English, 2nd Edition | " | 978-0-13-920034-2 | 1999 | " |
| Fifty-Fifty Book 2: An Intermediate Course in Communicative English, 2nd Edition | Audio Cassette | 978-0-13-920075-5 | 1999 | " |
| Fifty-Fifty Book 2: An Intermediate Course in Communicative English, 2nd Edition | Paperback | 978-0-13-311127-9 | 1994 | " |
| Fifty-Fifty Book 2: An Intermediate Course in Communicative English Teacher's Edition | " | 978-0-13-920067-0 | 1994 | " |
| Fifty-Fifty, Book 2: A Speaking and Listening Course, 3rd Edition | " | 978-962-00-5666-6 | 2007 | " |
| Fifty-Fifty, Book 2: A Speaking and Listening Course Class CD | Audio CD | 978-962-00-5672-7 | 2007 | " |
| Fifty-Fifty Book Two: An Intermediate Course in Communicative English | Paperback | 978-0-13-287558-5 | 1994 | " |
| Fifty-Fifty Intro: An Introductory Course in Communicative English | " | 978-0-13-906935-2 | 1998 | " |
| Fifty-Fifty Intro: A Speaking and Listening Course | " | 978-962-00-5664-2 | 2007 | " |
| Fifty-Fifty: Intro- A Speaking and Listening Course, Class CD, 3rd Edition | Audio CD | 978-962-00-5670-3 | 2007 | " |
| Fifty-Fifty Intro Teacher's Edition with Test Master CD-ROM Pack, 3rd Edition | Paperback | 978-962-00-5667-3 | 2007 | Robert Barnard |