"The story of an infamous crime, a revered map dealer with an unsavory secret, and the ruthless subculture that consumed him. Maps have long exerted a special fascination on viewers-both as beautiful works of art and as practical tools to navigate the world. But to those who collect them, the map trade can be a cutthroat business, inhabited by quirky and sometimes disreputable characters in search of a finite number of extremely rare objects. Once...