| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Zigzag: Cassette | 978-0-435-37912-4 (0-435-37912-7) | 1988 | Jelena Stanojlovic |
| Zigzag: Skills Practice in French | 978-0-435-37910-0 (0-435-37910-0) | 1988 | " |
| Zig Zag: Tchrs': Skills Practice in French | 978-0-435-37911-7 (0-435-37911-9) | 1988 | " |