"Parachute me in anywhere in America and I'll write at least one order that day," says author Jim Murphy, which perfectly describes the exuberance and can-do attitude of this remarkable, old-school door-to-door encyclopedia salesman who made millions during his career. Do you have a doorknob close? Do you know what a three-dime bank is? Have you discovered the perfect way to overcome price objections? You will. After sitting down to four days of in-depth interviews, Murphy lays it all out, every trick he used, every tell he watched for to make a sale. This is no ivory-tower theorist but...