The most definitive book written for every professional truck driver who wants to know the essential elements of backing-up a tractor-trailer SAFELY. The purpose of this must-read book is to educate and enlighten every person wanting to make a living in this highly needed respectable business, the necessary information to attain the skill and back-up SAFELY. You will learn about the basic skills, the art and science needed to know in order to back-up SAFELY in various situations. In addition there are nine bonus back-up illustrations, and an exclusive how-to-guide for getting directions.