Book excerpt: As the bloody confusion of the War of the Roses rages through 15th-century Canterbury, Richard Neville, Earl of Warwick, gives the precious royal relic the Eye of God to his trusted soldier Brandon, just before being killed. Ordered to take the priceless Eye of God to the monks at Canterbury, Brandon is captured and held prisoner in the city. When Brandon dies under mysterious circumstances and the Eye of God is nowhere to be found, soldier Colum Murtagh is summoned by King Edward IV to find the relic and physician Kathryn Swinbrooke to assess the death. Resuming their unlikely partnership, the two find themselves in an increasingly dangerous situation. A corpse is pulled from a river and another murder takes place in Canterbury, while Colum is tracked by threatening pursuers. As all signs point to an intrigue involving enemies of Edward IV, Colum and Katherine must rely on each other's wits for protection...