It is 1588 and in Lisbon the great Spanish Armada prepares to set sail for England. One by one the intelligence sources of legendary Elizabethan spymaster Sir Francis Walsingham vanish, day-by-day the danger to his queen and country grows. Finally, he sends the young soldier and agent Christian Hardy to discover the truth. Paperback , 448 pages Published October 14th 2010 by John Murray (first published June 10th 2010)