Start with high-confidence land warfare history books, then narrow by subgenre or adjacent topics.
All Canada in the Hands of the British
Douglas R. Cubbison
No Holding Back
Brian A Reid
The Line
William T. Bowers
Prussian Cavalry of the Napoleonic Wars (1)
Peter Hofschröer
Soldiers of the English Civil War (1)
Keith Roberts
The East Africa Campaign 1914-18
David Smith, Graham Turner
Blood River 1838
Ian Knight
The Athenian Army 507-322 BC
Nicholas Sekunda, Giuseppe Rava
Gulf War 1990-91
Steven J. Zaloga, Robert McSweeney
Battle Diary
Charles Cromwell Martin, Roy Whitsed
The Mareth Line 1943
Ken Ford
Desert War Trilogy
Alan Moorehead
Russian Grenadiers and Infantry 1799-1815
Laurence Spring
US Army Forces in the Korean War 1950-53
Donald Boose, Donald W. Boose Jr.
French Napoleonic Infantry Tactics 1792-1815
Paddy Griffith
