When Laura Fraser's husband leaves her for his high school sweetheart, she takes off, on impulse, for Italy, hoping to leave some of her sadness behind. There, on the island of Ischia, she meets M., an aesthetics professor from Paris with an oversized love of life. What they both assume will be a casual vacation tryst turns into a passionate, transatlantic love affair, as they rendezvous in London, Marrakech, Milan, the Aeolian Islands, and San Francisco. Each encounter is a delirious immersion into place (sumptuous food and wine, dazzling scenery, lush gardens, and vibrant streetscapes) and...