Christoph Scheerer (previously Wisnewski) is an International Master from Germany. He has a string of tournament successes to his name, including winning the 2001 Kiel Open, and has been a regular competitor in the exceptionally strong German Bundesliga. He's also an experienced coach, having taught at the Internet Chess Club, the World's largest online chess facility, for six years. This is his second book for Everyman Chess; his first was Play 1...Nc6!.