El Secreto De Lena
| Illustrator | Jindra Capek |
| Publisher Series | El Barco de Vapor, Serie Azul |
| Series | El Capitán Leotodo |
| Publisher | Ediciones SM |
| Series Director | Marinella Terzi |
| Translated by | Marinella Terzi |
| Series Designer | Alfonso Ruano |
| Copyright Holder | K. Thienemanns Verlag, Ediciones SM |
| Format | Paperback |
| Language | Spanish |
| Location | Spain |
| Copyright | 1991 |
| Pages / Font | 106 pages |
| Series Number | 1 |
| DL (Spanish) | M-2696-2004 |
| Right Society | CEDRO |
| Notes | A partir de 7 años Printed in Spain |
Added by ksdfjsldfj