Sometime in 1947, a letter arrived in the mailbox of Harold Dow Bugbee, already a well-known and highly sought illustrator for western pulp magazines and other publications. "Sir," it began, "I have seen several of your pictures in the Cattleman. Sure like them and I am writing you to ask if you have all of your pictures in a book--if you do--we want to buy one." "After seventy years of waiting," writes Michael R. Grauer in this colorful...