Finally got around to reading Grapes of Wrath a few weeks ago, definitely recommend it. It's flat out leftist propaganda. there's like 3 N-words in there for no reason, but other than that it's pretty tame. Anyone that read The Parable of the Sower, would probably dig it.
Currently slogging my way through John N. Hazards The Soviet System of Government it's interesting, when you can gleam information from it. But jfc the bias and bullshit. Flat out Parenti quote type stuff. There's a thing I'm learning academics (and "objective" authors) do where they'll give seemingly positive examples and then claim that these things are positive only for outward show and then they'll claim that anecdotal evidence from randoms and refugees and whatnot actually prove these policies and things are evil... But they won't include any of those anecdotes. It's very weird and I can't imagine all but the most sort of folks would accept that sort of bullshit, but people do I guess. It's very slow going because of how often I'm rolling my eyes.