The Unconquerable
Edición de la obra The Unconquerable
| Autor | Helen MacInnes |
|---|---|
| Editorial | ISIS Audio Books |
| Fecha de publicación | August 1989 |
| Idioma | inglés |
| Formato | Audio cassette |
| ISBN-13 | 9781854961440 |
| ISBN-10 | 1854961446 |
| OCLC | 26481614 |
| 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]"