| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Time Search: Bk. 3: History Through Evidence | 978-0-19-917098-2 (0-19-917098-3) | 1989 | John Halsall |
| Time Search: Bk. 4: History Through Evidence | 978-0-19-917099-9 (0-19-917099-1) | 1989 | " |
| Time Search: Tchrs': History Through Evidence | 978-0-19-917117-0 (0-19-917117-3) | 1989 | " |