Start with high-confidence wars & military history books, then narrow by subgenre or adjacent topics.
Fire in the Hills
Donna Jo Napoli
The War I Finally Won
Kimberly Brubaker Bradley
The Chocolate War
Robert Cormier
The Slopes of War
Norah Perez, N.A. Perez
Stepping on the Cracks
Mary Downing Hahn
Kipling's Choice
Geert Spillebeen
How I Found the Strong
Margaret McMullan
The Bletchley Riddle
Ruta Sepetys, Steve Sheinkin
The Night War
Under a War-torn Sky
L. M. Elliott
Lines of Courage
Jennifer A. Nielsen
Resist: a Story of D-day
Alan Gratz
Westfallen
Ann Brashares, Ben Brashares
Into the Fire
Uncertain Soldier
Karen Bass
