In 1840, a vanished Bellini masterpiece is rumored to have resurfaced in Venice, and a flurry of world aristocrats descend upon the city in its pursuit. Istanbul's new sultan dispatches our eunuch detective Yashim to solve a trail of murders associated with the highly-sought painting, in this third installment of the Edgar Award-winning Ottoman Empire mystery series.  (TKY191, $15.00)