The Unconquerable
Edición de la obra The Unconquerable
| Autor | Helen MacInnes |
|---|---|
| Editorial | HarperCollins Publishers Ltd |
| Fecha de publicación | June 14, 1971 |
| Páginas | 512 |
| Formato | Hardcover |
| ISBN-13 | 9780002218573 |
| ISBN-10 | 0002218577 |
| OCLC | 59801898 |
| Número de Cutter | M152u |
from Wikipedia entry on Helen MacInnes:"Her 1944 book, The Unconquerables carries such an accurate portrayal of the Polish resistance that some thought she was using classified information given to her by her husband.[8][9]"