Steinbeck never disappoints. His writing does more than just "hold up." He is a master. Whether Of Mice and Men, or East of Eden, you will not be disappointed.
I really don't like the majority of John Steinbeck's works with the exception of one or two. I find his writing really dry. Granted I have not tried to read them again since college, but even at my age now, I think I would be bored with them.