E.T. · Eike Thürmann · Eike Thurmann · Esko Turunen
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Aurores Boréales | 978-951-31-2738-1 (951-31-2738-9) | 2003 | Martti Rikkonen · Jyrki Manninen |
| Northern Lights | 978-951-31-1350-6 (951-31-1350-7) | 1995 | Martii Rikkonen · Jyrki Manninen |