From the back of the book:
You have just six hours to find a killer among the saloons and brothels of the meanest town on the frontier, armed only with your wits and a percussion Colt revolver. Welcome to the place they call... The Devil's Addition.
Knuckleduster Interactive Western Adventures allow you to determine the direction the story takes. Arrive at one of over 40 endings after choosing your own path through 400 numbered episodes. The action is controlled by your decisions and an occasional roll of the dice. Explore every nook and cranny of frontier Abilene in search of clues which will help you capture a dangerous outlaw who is wanted "dead or alive!" Experience History.
Encounter the sights, sounds, smells and personalities of Abilene's saloon district and the infamous area known as "The Devil's Addition," reconstructed in authentic detail. Play "pistol pool." Learn how the Bull's Head Saloon got its name. Find out what's playing at the Novelty Theatre. Meet a poker playin' preacher. Shoot it out with Texas outlaw John Wesley Hardin. Talk to Wild Bill Hickok and a host of other historical characters that truly brings to life the glory days of Kansas' first big cowtown!