What are good, as-unbiased-as-possible books about socialism or Marxism? I met a socialist soon-to-be lawyer and she was unimpressed that I have not read a book about it. I am averse to it but I want to round my opinion. I know there is a lot of philosophy and its history with it so any books which keep this in mind are more wanted.
Basically any book about socialism and/or Marxism that is a good balance between concise yet all-inclusive is what I'm looking for.