Danger in the Ashes — William W. Johnstone

An ex-soldier fights the KKK for the fate of post-apocalyptic America in the New York Timesâ€"bestselling author's military sci-fi thriller.
 
During the years following the nuclear holocaust that decimated the United States, soldier and survivalist Ben Raines dedicated his life to rebuilding civilization from the ruins. But for America to rise again, it needs just laws -- with harsh penalties. And Ben Raines is the only man for the job.
 
As the bloody war continues against the hordes of subhuman cannibals infesting the urban wasteland, Raines and his rebel forces encounter an even greater threat to their dream of a new America. The Ku Klux Klan has reawakened to sow the poisonous seeds of ignorance and prejudice. Of all the threats to mankind's survival, blind hatred is the deadliest. And Ben Raines will stop at nothing to wipe out this hideous scourge.
 
Eighth in the long-running series!