Book excerpt: This winner of 11 national publishing awards belongs on every coffee table Summit Avenue, grande dame of Victorian boulevards, is lined with magnificent turn-of-the-century mansions built by railroad magnates, lumber barons and captains of industry. Great Houses of Summit Avenue and the Hill District is a celebration of these homes on St. Paul's best-known and most beloved avenue. With a foreword by Garrison Keillor and fascinating stories penned by four award-winning writers, the book opens the doors to more than two dozen legendary homes situated on America's best-preserved avenue from the era. Photographer Karen Melvin takes us along for a tour through stately mansions to view these remarkable architectural gems. Richly illustrated with hundreds of photos, this book offers an irresistible invitation to step through the doors of these showcase homes to explain what we are all curious to know.