During this period he also worked on To Have and Have Not, published in 1937 while he was in Spain, the only novel he wrote during the 1930s.
Gjatë kësaj periudhe ai punoi gjithashtu për "To Have and Have Not"", të botuar në vitin 1937, ndërsa ishte në Spanjë, i vetmi roman që shkroi gjatë viteve 1930.