Perry Marshall and Bryan Todd

The Ultimate Guide to Google AdWordsPerry Marshall and Bryan Todd are the authors of The Ultimate Guide to Google AdWords, 3rd Edition, published by Entrepreneur Press in 2012. Marshall is the founder of Perry S. Marshall & Associates, a Chicago-based company that consults with online and brick-and-mortar companies on generating sales leads and web traffic, and maximizing advertising results. Todd is an international marketing consultant and Google AdWords specialist based in Lincoln, Neb.