Rudi Hartmann, senior instructor at the University of Colorado Denver, is a connoisseur of heritage tourism. His book "Southeast Colorado Heritage Tourism Report" shows heritage tourism as an expanding market with great potential in Colorado. Heritage tourism is a growing division of the industry as historic places capture the attention of more tourists. The book contains a study revealing the importance of heritage tourism in relation to Colorado's economy and shares some of the state's most popular heritage tourism sites. For more information on the book, click here.