every once in a while you find that a book you bought for <$10 is selling for several multiples of that https://www.amazon.com/Coaching-Run-Shoot-Football-Blac

every once in a while you find that a book you bought for <$10 is selling for several multiples of that https://www.amazon.com/Coaching-Run-Shoot-Football-Black/dp/0962477923/ref=sr_1_fkmr0_3?ie=UTF8&qid=1533139463&sr=8-3-fkmr0&keywords=all+black+run+and+shoot+offense https://www.amazon.com/Coaching-Run-Shoot-Football-Black/dp/... I have a copy of that on my shelf at home, somewhat perversely, learning that it had actual resale value made me want to sell it less