In 1031, an Arab scientist, a Jewish astronomer and a Christian monk gather under the dome of an observatory in Spain. A foretelling written on the blade of a knife tells of a new ruler, whose power will come from the knowledge in a centuries old book. As its guardians begin to covet this knowledge for themselves, the book is drawn into the conflict between the houses of Wessex and Godwin, and England's destiny. It will carry a secret...