Krzysztof Panczyk is an International Master from Poland. He is a frequent visitor to Britain, playing in both international tournaments and the British League. Earlier works for Everyman Chess include Archangel and New Archangel, which he co-authored with John Emms. Jacek Ilczuk is a noted theoretician and powerful correspondence player who was a recent semi-finalist in the email World Championship. This is his second book for Everyman Chess, having also co-authored Offbeat Kings Indian with Panczyk.