La llave de plata
| Book | The Silver Key |
| Format | Paperback |
| Language | Spanish |
| Copyright | 1962 |
| Original Title | The Silver Key |
| Original Language | English |
| Author | H. P. Lovecraft |
| Publisher | El Observador |
| Series | Cada dia la millor novel·la d'intriga |
| Interview with/Interviewee | Ediciones Acervo |
| Translated by | José Mª Roca |
| Cover Art by | Esther Utrilla, Pepe Far |
| Format | Paperback |
| Language | Spanish |
| Location | Barcelona, Spain |
| Copyright | 1962 |
| This Edition Published | 1991 |
| Pages / Font | 91 pages |
| ISBN 10 | 8470021664 |
| DL (Spanish) | B-31.427-91 |
| Series Number | 55 |
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