BASE jumping is an extreme sport that has gained significant popularity. To date, there are over 1,400 jumpers who have earned their "BASE number," which means that they have jumped from a building, an antenna, a span, and a terrestrial point. And at least one BASE jumper is planning to attempt landing from a BASE jump without a parachute. "BASE Jumping: The Ultimate Guide" examines the history, subculture, and technologies associated with BASE jumping. Additionally, it considers what the relatively new expansion of this activity means within the context of how our society considers danger...