To Have and Have Not' is a novel by-

Ernest Hemingway is an American novelist. He was awarded the Nobel prize in 1954 for literature.
To Have and Have not is a novel written by Ernest Hemingway, which was published in 1937.

His other famous novels are-
- The Old Man and The Sea,
- Death in the Afternoon,
- The Sun Also Rises,
- For Whom the Bell Tolls,
- To Have and Have not etc.

Source: Britannica.com