Grapes of Wrath: Summary The book Grapes of Wrath tells about the dust Bowl people's troubles they had coming to California. It tell about the Joad's trip from Oklahoma to California. There are twelve people in the Joad family. The one person that stood out the most between thee family was Ma. Ma's great strength, and smart thinking is what keeps the Joad family together and going. Ma's strong suites are shown through out the book. Nancy Reagan once said, "A women is like a tea bag-only in hot water do you realize how strong she is." I don't know how Nancy Reagan did this but she described Ma