David Boaz was the executive vice president of the Cato Institute, a prominent libertarian think tank based in Washington D.C., when he published “The Libertarian Mind: A Manifesto for Freedom.” Retiring his position in 2022, Boaz worked with the Cato Institute for over 43 years and continued to be a prominent voice in libertarian politics until shortly before his death in June. “The Libertarian Mind: A Manifesto for Freedom” — a 2015 edition of his earlier book, “Libertarianism: A Primer” from 1997 — serves as an easy-to-follow introduction to libertarian philosophy and its possible applications.