Wage Labour & Capital and Value, Price & Profit are both fairly digestible
Took the words out of my mouth. VPP and WLC will give you more than enough knowledge to explain to other workers how capitalism fucks them over economically.
You could get pretty far listening to Richard Wolff lectures.
Elementary Concepts of Historical Materialism by Marta Harnecker
One great resource is Marx Madness podcast, they do whole reading series and break it down for dummies like me pretty well. There is also a great resource I linked yesterday: The Rodney Yellow Thunder Online Library. It has a bunch of great stuff and a recommended reading list (its specifically geared toward decolonial theory to boot I cannot recommend it enough).
David Harvey has some books and youtube videos going over capital and some other Marx texts. He’s pretty accessible!
money and totality by moseley, very condensed, but (statement is extremely in my opinion, it’s not a universal or widespread reading of marx) good representation of capital v1
