Altin Kitaplar Yayinevi, I. · Dell · LGF - Livre de Poche · Large Print Distribution · Lübbe · Michel Lafon · Planeta · Random House · Random House Audiobooks · Roca Editorial · Simon & Schuster Audio
| title | media type | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|---|
| 4ün Kurali | Broschiert | 978-975-21-0561-4 | 2005 | Ian Caldwell | |
| Das letzte Geheimnis. 5 CDs | Audio CD | 978-3-7857-1488-1 | 2005 | Ian Caldwell · Tim Bergmann | |
| Das letzte Geheimnis | Broschiert | 978-3-404-15579-8 | 2006 | Ian Caldwell | |
| Das letzte Geheimnis | Gebundene Ausgabe | 978-3-7857-2153-7 | 2005 | " | |
| El Enigma del Cuatro | Hardcover | 978-84-96284-15-9 | 2004 | " | |
| La Règle de quatre | Poche | 978-2-253-11449-9 | 2006 | " | |
| La Règle de quatre | Broché | 978-2-7499-0202-9 | 2005 | " | |
| O Enigma do Quatro | Paperback | 978-85-7665-030-0 | 2005 | " | |
| The Rule of Four | Audio CD | 978-0-7435-5212-7 | 2006 | " | |
| The Rule of Four | Paperback | 978-0-09-945195-2 | 2005 | " | |
| The Rule of Four | Mass Market Paperback | 978-0-440-24135-5 | 2005 | " | |
| The Rule of Four | Paperback | 978-0-440-29640-9 | 2005 | ||
| The Rule Of Four | " | 978-1-59413-077-9 | 2005 | Ian Caldwell | |
| The Rule of Four | Audio CD | 978-1-85686-708-5 | 2005 | " | |
| The Rule of Four | Hardcover | 978-0-385-33711-3 | 2004 | " | |
| The Rule of Four | Audio Cassette | 978-0-7435-2972-3 | 2004 | " | |
| The Rule of Four | Audio CD | 978-0-7435-2973-0 | 2004 | " | |
| The Rule of Four | Hardcover | 978-1-84413-005-4 | 2004 | " | |
| The Rule of Four | Paperback | 978-1-84413-006-1 | 2004 | " | |