Start with high-confidence military travel books, then narrow by subgenre or adjacent topics.
Stone Tapestry
Robert Holcomb
Great Plains Guide to Custer
Jeff Barnes
Historical Tours Arlington National Cemetery
Cynthia Parzych
The Top 100 Military Sites in America
L. Douglas Keeney
The D-day Visitor's Handbook, 80th Anniversary Edition
Kevin Dennehy, Stephen T. Powers
Winter Lightning
Matt Spruill, Lee Spruill
An Explorer's Guide to America's Revolutionary War
Robert M. Dunkerly
