| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Zeitgeist: 1: AS AQA Self-Study Guide with CD | 978-0-19-915373-2 (0-19-915373-6) | 2008 |
| Zeitgeist 1: für OCR AS Self-Study Guide with CD | 978-0-19-915375-6 (0-19-915375-2) | 2008 |
| Zeitgeist 2: für OCR A2 Self-Study Guide with CD | 978-0-19-915401-2 (0-19-915401-5) | 2009 |