Henry Hazlitt's Economics In One Lesson
Recent articles cover the issues and effects with the current administration's budget and economic plan along with more fundamental economic issues.
There is also a section with free books if you do not mind reading on the computer. There is also at least one guide to readings on the mises.org site.
Both of the books mentioned in previous posts are available through the mises.org bookstore.
Also check out Robert Murphy's "The Politically Incorrect Guide to Capitalism" as another primer on economics.