Theory & Practice of Gamesmanship
This was on my dad's bookshelf when I was a kid, but I didn't discover it until late in high school. If Monty Python were to trace the roots of their art, they end up here. Potter is a brilliant, dry wit, and understatedly so. This is the only book I know where the text reads itself in a British accent.
Potter teaches the sometimes-subtle art of "one-upmanship", expanding on a philosophy dedicated to winning in sport and applying it to life at large. In one thousand years, Potter's The Theory and...more