[zhte415]

Economics -

Undergrad introductory textbook: https://www.core-econ.org/ebooks/ But it might be worth applying this to a topic while reading rather than simply reading a book.

Read papers vs 'news': https://ideas.repec.org/ the firehose of topics to subscribe (perhaps try reading a couple a month) http://nep.repec.org/ Central banks often have good macro summaries and topical papers.

econtwitter.net has a variety of people.

For econ history, or rather a history of economic thought, instead of attempting a tome, of which there are many progressing over centuries, and if reading really need to be read in full than in part (for example, discussion in part V III in The Wealth of Nations hardly paints discussion in I in an entirely positive light) try Blaug, Economic Theory in Retrospect.

For specific topics, like Industrial Economics, or Experimental Economics for example, consult the reading list of a university's undergraduate course options.