Start with high-confidence free market thinking books, then narrow by subgenre or adjacent topics.
How Economics Explains the World
Andrew Leigh
Americana
Bhu Srinivasan
Basic Economics
Thomas Sowell
Black Capitalists
Rachel Laryea, PhD
Capitalism, Alone
Branko Milanovic, Branko Milanović
Ages of American Capitalism
Jonathan Levy
Choice
Robert P. Murphy, Donald J. Boudreaux
Socialism Sucks
Robert Lawson, Benjamin Powell
In Defense of Capitalism
Rainer Zitelmann
Life After Capitalism
George Gilder
The Triumph of Economic Freedom
Phil Gramm, Donald J. Boudreaux