The Power Broker: Robert Moses and the Fall of New York by Robert Caro. Enormous and incredibly informative about politics, city planning and public relations.
https://www.nybooks.com/daily/2018/01/16/studies-in-power-an...
At the time, I asked, “Can’t we do it in two volumes?” Bob Gottlieb answered, “I might get people interested in Robert Moses once. I could never get them interested in him twice.”