What are we told from stories in the odyssey?

In the odyssey which is most effective paraphrase of the passage

Diego rivera was a famous artist from mexico. most of his paintings were murals. murals are paintings that are made directly on a wall. rivera thought that all people should be able to see beautiful art, not just people who could afford to go to museums. this is why he painted most of his murals on the walls of public buildings

What is john steinbecks book the grapes wrath about