Swag

Swag by Elmore Leonard. paperback edition. ISBN: 9780753819647.

There arent any textbooks on armed robbery. The only way to learn is through experience, and small-time crooks Frank and Stick are determined to do as much learning on the job as possible. In 1970s Detroit they embark on a crime spree, holding up liquor stores and supermarkets. They invent their Ten Golden Rules for Successful Armed Robbery and for a short time the cash is rolling in. But then they bend their own rules, and it looks like trouble is heading their way...