“Step by patient step, one man is drawing ever closer to the real Da Vinci mystery: tracking down the master’s greatest painting, lost for four and a half centuries… For art historians, finding Leonardo’s lost Battle of Anghiari is in the same league as finding the Titanic or the still lost tomb of the Ancient Egyptian architect Imhotep — as big as you can get… And it is hidden, [Maurizio Seracini] believes, in a room at the heart of political power since the Middle Ages in Florence.”