Start with high-confidence military travel books, then narrow by subgenre or adjacent topics.
Stone Tapestry
Robert Holcomb
Normandy '44
James Holland
World War II Map by Map
DK, Smithsonian Institution
The Top 100 Military Sites in America
L. Douglas Keeney
The D-day Visitor's Handbook, 80th Anniversary Edition
Kevin Dennehy, Stephen T. Powers
World War II Battlefields
Paul Woodadge
An Explorer's Guide to America's Revolutionary War
Robert M. Dunkerly
