R.D. · Richard D. · Richard Dübell
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Biblia Diavolului | 978-973-103-962-6 (973-103-962-7) | 2011 |
| CORAZON DE LEON | 978-607-480-895-7 (607-480-895-3) | 2012 |
| El Héroe De Roncesvalles | 978-84-666-5570-5 (84-666-5570-0) | 2014 |