Pressed by advancing enemy armies on both fronts, Adolf Hitler played his final card in World War II by mobilizing all German civilian males between sixteen and sixty and indoctrinating them for a final apocalyptic defense of the Reich. The Volkssturm, created as much to boost national morale as to bolster sagging defenses, has been viewed as a negligible factor in the war. David Yelton counters that view with new insights into why the German high command sought this means to prolong an unwinnable war-and why so many civilians chose to fight to the bitter end.

Hitler's Volkssturm...