In the new novel by contemporary American writer Jack Dann, reality and fiction are intertwined. The author offers a fascinating story about one unknown year in the life of Leonardo da Vinci. "Cathedral of Memory" masterfully recreates images of Renaissance Italy, following Leonardo on his fantastic journey to discover the fate that might have been had the speculation turned out to be reality. Like Leonardo himself, the atmosphere of the Italian Renaissance is at once frivolous and dangerous, sophisticated and sensual. In his beloved Florence, the city where the Medici ruled, and science and magic were inseparable from each other, the secret sources of Leonardo's creative power and his genius awakened.