Start with high-confidence football coaching books, then narrow by subgenre or adjacent topics.
Friday Night Lights
H. G. Bissinger
What You're Made for
George Raveling, Ryan Holiday
Undefeated: Jim Thorpe and the Carlisle Indian School Football Team
Steve Sheinkin
The Why Is Everything
Michael Silver, Mike Chamberlain
Football Done Right
Dan Woren, Michael Lombardi
