"For many years I had heard about an underworld consisting of people who act out a vampire fantasy while I was living in New York. Fortunately for me there are also several books on the phenomena"

This quote by James Patterson talks to the existence of a subculture of people who live out a vampire dream. It is likely that he became aware of this group of individuals while residing in New York, and was interested by the concept. He was lucky adequate to discover a number of books on the topic, which allowed him to learn more about the phenomena. This quote suggests that Patterson was interested in discovering more about this group of individuals and their lifestyle, and was able to do so through the books he found. It is most likely that he was interested by the concept of a vampire fantasy and wished to discover more about it. This quote speaks with the power of books and how they can be utilized to explore and learn more about different cultures and lifestyles.