In Throwing Fire, historian Alfred W. Crosby looks at hard, accurate throwing and the manipulation of fire as unique human capabilities. Humans began throwing rocks in prehistory and then progressed to javelins, atlatls, bows and arrows. We learned to make fire by friction and used it to cook, drive game, burn out rivals, and alter landscapes to our liking. Our exploitation of these two capabilities figured in the extinction of many species, and may have played a role in the demise of Neanderthals. In historic times we invented catapults, trebuchets, and such flammable liquids as Greek Fire,...