The Borgia Ring

When a blackened skeleton is unearthed on a building site in the City of London, no one can have the slightest idea of its extraordinary link to a plot to assassinate the Queen of Englandover 500 years ago.But there is one very conspicuous clue. On the index finger of the body's right hand is a gold ring topped with a brilliant, round emerald.DCI Jack Pendragon has just transferred from Oxford to Brick Lane Police Station - in part to escape his own past. Immediately, he finds himself investigat