This is a good book (available on audio) about some of the key players of the industrial era. Rockerfella, Vanderbilt, Carnegie, Morgan etc. absolute wild times. https://www.goodreads.com/book/show/70231782-the-railroad-robber-barons This one is about the oil industry which started in the late 1900’s and has a section on JD Rockefeller and Standard Oil. (I’ve not finished this one yet) https://www.goodreads.com/book/show/169354.The_Prize