Vengeance in the Ashes — William W. Johnstone

A deadly new threat invades America from the south in the New York Timesâ€"bestselling author's post-apocalyptic military thriller.
 
While ending the rule of slavers, thugs, and the cannibalistic Night People on the Hawaiian Islands, Ben Raines and his rebel army learn of a new threat to America. A grim specter from the past -- an army of Nazis led by the maniacal Jesus Dieguez Mendoza Hoffman -- is marching through South America toward the vulnerable heartland of America.
 
Not content with crushing America, Hoffman has singled out Ben Raines for a hideous fate. Now, with the famed warrior a prisoner, only the outnumbered Rebels stand in the way of the Death's Head battalions bent on destroying the proud land of liberty and freedom!
 
Sixteenth in the long-running series!