This book asks a single question. The question is, after completing his work at Canterbury Cathedral, where did William the Englishman go and what did he subsequently build. As you are holding this book you are invited to come along on this journey of discovery. This is a journey which will take you to Cathedrals in England and France. Along the way you will meet other Medieval Architects and some of the great personalities of the time. On each illustration, in the book you are holding, X marks a place where the hand of William the Englishman is evident. By following, in sequence, these indicators of Hand you, who are holding this book can actively participate in the research resulting in the discovery of William the Englishman.