<a href="http://www.amazon.com/Annotated-Flatland-Romance-Many-Dimensions/dp/0738205419/ref=pd_bbs_sr_4/104-7585425-6657561?ie=UTF8&s=books&qid=1185225077&sr=8-4">The Annotated Flatland by Edwin Abbot and Ian Stewart</a>
Just finished
<a href="http://www.amazon.com/Americas-Bubble-Economy-Profit-When/dp/047175367X/ref=pd_bbs_sr_1/104-3388961-7771167?ie=UTF8&s=books&qid=1185225153&sr=1-1">America's Bubble Economy, Profit when it pops</a>
Next up,
Barron's AP Statistics, lol, w00t. I'm a high school math teacher.