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Guns, Germs, and Steel --- Jared Diamond (older history)
Against the Gods --- Peter L Bernstein (older history)
The Way of the Gladiator --- Daniel P Mannix (Roman Empire)
Fart Proudly --- Benjamin Franklin (early eastern America)
Ride the Wind --- Lucia St. Clair Robson (later 1800s western America)
These are fiction set in non-fictional historical context:
Mila 18 --- Leon Uris (early WII, Poland)
Armageddon --- Leon Uris (end of WWII, Berlin)
The Shadow of the Storm --- Kurt R A Giambastiani (OK, this is science fiction! US western historical, Pres Custer )
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