A famed political scientist's classic argument for a more cooperative world We assume that, in a world ruled by natural selection, selfishness pays. So why cooperate? In The Evolution of Cooperation, political scientist Robert Axelrod seeks to answer this question. In 1980, he organized the famed Computer Prisoners Dilemma Tournament, which sought to find the optimal strategy for survival in a particular game. Over and over, the simplest strategy, a cooperative program called Tit for Tat, shut out the competition. In other words, cooperation, not unfettered competition, turns out to be our best chance for survival. A vital book for leaders and decision makers, The Evolution of Cooperation reveals how cooperative principles help us think better about everything from military strategy, to political elections, to family dynamics.

A state-by-state guide to the gun laws most useful to the traveler. Issues covered include concealed carry reciprocity, vehicle carry, open carry on foot, gun-free zones, state & national park carry, carry while boondocking in an RV, carry on school grounds, constitutional carry and much more. The narrative format makes the book an easy read and an invaluable reference while traveling with a gun. Published every year since 1996, the Traveler's Guide to Firearm Laws is the gun owner's preferred choice for reliable information on the nation's gun laws.