North-South Books · Serres Ediciones Sl
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Despierta, Osogris! (Sp: Wake | 978-0-7358-1125-6 (0-7358-1125-3) | 1999 | Wolfgang Bittner · Rosanne Bittner · Rosernffet |
| Medio Elefante | 978-970-9705-02-7 (970-9705-02-4) | 2004 | |