The author of the book 'EXODUS' is Uri S. Uris, a Jewish-American novelist and playwright. He was born in 1924 in New York City and is best known for his novel 'EXODUS', which was published in 1958 and became an international bestseller. The novel tells the story of the founding of the modern state of Israel and the struggles of its people. It has been adapted into a film, a musical, and a television series.