These three books, all relatively short and available online or for purchase, are an excellent starting point for an education in sound economics.
Economics in One Lesson by Henry Hazlitt; online here Essentials of Economics by Faustino Ballve; online here (.pdf) An Introduction to Austrian Economics by Thomas C. Taylor; online here and here (.pdf) A useful companion to Hazlitt’s Economics in One Lesson is this series of videos, recorded in July-August 2008, in which various professors comment on each of the book’s chapters — explaining the argument, elaborating on it, and applying it to present conditions.
Video 1: The Lesson Video 2: The Broken Window Video 3: Public Works Mean Taxes Video 4: Credit Diverts Production Video 5: The Curse of Machinery Video 6: Disbanding Troops and Bureaucrats Video 7: Who’s Protected by Tariffs? Video 8: “Parity” Prices Video 9: How the Price System Works Video 10: Minimum Wage Laws Video 11: The Function of Profits Video 12: The Assault on Saving
Additional Introductory Reading in Economics
The Revolution: A Manifesto by Ron Paul, ch. 4; the audiobook is here
The Concise Guide to Economics by Jim Cox
Making Economic Sense by Murray N. Rothbard
Pillars of Prosperity: Free Markets, Honest Money, Private Property by Ron Paul
Economic Policy: Thoughts for Today and Tomorrow by Ludwig von Mises
Free Market Economics: A Reader by Bettina Bien Greaves
The Politically Incorrect Guide to Capitalism by Robert P. Murphy
Free Market Economics: A Syllabus by Bettina Bien Greaves
The Church and the Market: A Catholic Defense of the Free Economy by Thomas E. Woods, Jr.
Whatever Happened to Penny Candy? by Richard J. Maybury (a great introduction to economics for homeschoolers; study guide included)