During the five years of their adulterous affair, Finn Fitzgerald and Elin Marstrander spend only 47 days and nights together. At each of their meetings--in Spain or London, or on the tiny island of Bornholm in the Baltic Sea, which serves as their last refuge--they try to conjure a reality that will correspond to that of the passionate letters they exchange while apart. Elin, a Danish poet, and Fitz, an Irish novelist, send each other beautiful,...