Grayslake author John Wasik will discuss his book, "The Merchant of Power: Samuel Insull, Thomas Edison and the Creation of the Modern Metropolis, "on Wednesday, June 11 at 7 p.m. Wasik, a resident of Prairie Crossing, is one of America’s most prominent business and financial journalists. He has written 14 books and made appearances on MSNBC, CNN, and PBS, and won 18 awards for his newspaper columns and investigative reporting.