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I'm reading the Princeton version of Capital, and I've got to say, the Editor's Introduction by Paul North is priceless
(hexbear.net)
I normally let my ADHD get the best of me and skip the introductory fluff of books, but if you're reading this one, definitely don't skip the forwards and introductions. It's a lot of extra work, but it's worth it.
I think the translator is; he mentions in his own foreword that comes after this one that he was a student of Marx before he started learning German.