The Unconquerable
Edición de la obra The Unconquerable
| Autor | Helen MacInnes |
|---|---|
| Editorial | HarperCollins Publishers |
| Fecha de publicación | January 28, 1985 |
| Páginas | 614 |
| ISBN-13 | 9780006170655 |
| ISBN-10 | 000617065X |
| 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]"