| ID | 020894 |
| Call Number | SF/BIO |
| Title Proper | El misterio de los zafiros |
| Language | SPA |
| Author | Biondi, Ghislaine |
| Publication | France, Bayard Jeunesse, 2015. |
| Description | 66p Red spine |
| Series | Leo |
| Note | Oscar loves to read detective novels. That's why, when his great-aunt's sapphire brooch disappears, he decides to investigate. |
| Standard Number | 02142627 |
| Price. Qualification | € 0.99(Pb) |
| Classification Number | SF |
| Key Words | Detective and mystery stories ; IBDP |