Start with high-confidence guerrilla warfare books, then narrow by subgenre or adjacent topics.
The Unvanquished
Patrick K. O'Donnell, Patrick K. O'Donnell
Rhodesian War
Paul L. Moorcraft, Peter McLaughlin
Modern African Wars (1)
Peter Abbott, Philip Botham
The Snake Eaters
Owen West
Rhodesian Light Infantryman 1961-80
Neil Grant
U.s. Army Guerrilla Warfare Handbook
U.S. Department of the Army
The Napoleonic Wars (3)
Gregory Fremont-Barnes
Striking Inside Angola With 32 Battalion
Marius Scheepers
Shadows of a Forgotten Past
Paul French
Bush War Operator
Andrew Balaam, A.J. Balaam
Beyond No Mean Soldier
Peter McAleese
Selous Scouts
Peter Baxter
