Barrons Educational Series · Roca Editorial
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Brisingr = Brisingr | 978-84-92429-39-4 | 2008 | Christopher Paolini |
| The Earth | 978-1-4380-0475-4 | 2014 | Nuria Roca · Rocio Bonilla |
| The Moon | 978-1-4380-0476-1 | 2014 | Nuria Roca · Rocio Bonilla |
| The Sky | 978-1-4380-0477-8 | 2014 | Nuria Roca · Rocio Bonilla |
| The Sun | 978-1-4380-0478-5 | 2014 | Nuria Roca · Rocio Bonilla |