One important book for real estate investment

Marx has pointed out several times, that history always shows  assests owners get much more money in extreme way, than the workers who works in the assest ( real estate), this is always the case. 

I know Marx don't have much fans in the usa,and I am also don't support many of his ideas, but this fundamental examples is worth to be stressed.

I have not seen someone mentioned this in any proadcast ( I have listen almost to most of the proadcast