| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Agent Arthur's Puzzle Adventures | 978-0-7460-0147-9 | 1991 | Martin Oliver |
| Chocolate Island | 978-0-7460-1458-5 | 1995 | |
| Computer Fun | 978-0-86020-803-7 | 1984 | |
| Curse of the Lost Idol | 978-0-7460-8585-1 | 2007 | |
| Curse of the Lost Idol | 978-0-7460-5255-6 | 2002 | |
| Curse of the Lost Idol | 978-0-7460-0012-0 | 1995 | Graham Round |
| Enigmes à la ferme | 978-1-4095-9206-8 | 2015 | Susannah Leigh |
| Murder on the Midnight Plane | 978-0-86020-952-2 | 1995 | Graham Round |
| Murder on the Midnight Plane | 978-0-86020-953-9 | 1986 | " |
| Puzzle Adventure Omnibus: No. 1-7 | 978-0-7460-1854-5 | 1993 | Jenny Tyler · Martin Oliver · Karen Dolby |
| The Usborne Book of Whodunnits | 978-0-7460-0729-7 | 1995 | Ann Johns · Paddy Mounter |
| Time Train to Ancient Rome | 978-0-7460-8061-0 | 2007 | |