The Keep by F. Paul Wilson (1981): Just One Deathless Night

Nazism will forever be the benchmark by which all other human evil is measured (well, until something worse comes along). So what do you get when you pit the SS against an unimaginably malevolent supernatural force that, with their stubborn reliance on "rationality," they can scarcely comprehend? You get The Keep, the first horror novel from New Jersey physician/author F. Paul Wilson, who spent