Jörg Oberste · Jürg Obrist · Jürg Opprecht
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Case Closed?!: Forty Mini Mysteries for You To Solve | 978-0-7613-1999-3 (0-7613-1999-9) | 2003 |
| Les enquêtes de Lenoir et Blanc: Lenoir et Blanc font rire jaune | 978-2-7427-4883-9 (2-7427-4883-0) | 2004 |
| Open And Shut Cases?!: 40 More Mini-Mysteries for You to Solve | 978-0-7613-2344-0 (0-7613-2344-9) | 2004 |