Based in Portland, Oregon, Allen G. Taylor is a 30-year veteran of the computer industry and the author of over 20 books, including the bestselling SQL for Dummies and Crystal Reports 2008 for Dummies. He is recognized throughout the world as an expert in relational database systems. He lectures nationally on databases, innovation, and entrepreneurship, and internationally on astronomy, astrophysics, history and world cultures. He also teaches database development internationally through a leading online education provider and teaches digital circuit design at Portland State University.