PBS has an interesting overview on this. FWIW I'm a big fan of The Fountainhead:
https://www.pbs.org/newshour/economy/column-this-is-what-happens-when-you-take-ayn-rand-seriously
https://www.pbs.org/newshour/economy/column-this-is-what-happens-when-you-take-ayn-rand-seriously