| title | ISBN-13 | year of publication |
|---|---|---|
| A Case of Red Herrings A2 | 978-0-89455-483-4 | 1993 |
| A Case of Red Herrings: Solving Mysteries Through Critical Questioning, Book A1 | 978-0-89455-462-9 | 1992 |
| A Case of Red Herrings: Solving Mysteries through Critical Questioning, Book B1 | 978-0-89455-463-6 | 1992 |
| A Case of Red Herrings: Solving Mysteries through Critical Questioning, Book B2 | 978-0-89455-484-1 | 1993 |
| Red Herring Mysteries Level 1 - Solving Mysteries through Critical Questioning | 978-1-60144-162-1 | 2008 |
| Red Herring Mysteries Level 2 - Solving Mysteries through Critical Questioning | 978-1-60144-163-8 | 2008 |