Books
Alas, Babylon by Pat Frank (A classic nuke scenario. This book was a key influence in my writing, and it was my inspiration to write “Patriots” in a similar style.)
Vandenberg by Oliver Lange (Invasion scenario. Note: It was later republished under the title: Defiance: An American Novel)
Movies
3 Days to Kill (Warning: Has many violent scenes.)
Instructional Video:
How to Shoot Beyond Belief ~ Long Range Shooting for Hunters