One of John Updike's notable novels from 1974 might be 'A Month of Sundays'. It's significant as it delved into themes like the human condition, morality, and the struggles within a religious context. Updike's detailed prose and in - depth character exploration made it a thought - provoking read.
I'm not sure exactly which 1974 John Updike novel you mean. However, generally, Updike's novels from that era often explored the changing American society. His works were known for their complex characters and his ability to capture the nuances of relationships, be it marital, social or within a community.