This reminded me of a book that is, I think, an excellent way to teach math to kids: Mathematical Circles: Russian Experience, by Dmitri Fomin, Sergey Genkin, I

This reminded me of a book that is, I think, an excellent way to teach math to kids: Mathematical Circles: Russian Experience, by Dmitri Fomin, Sergey Genkin, Ilia V. Itenberg (http://www.amazon.com/Mathematical-Circles-Russian-Experience-World/dp/0821804308 http://www.amazon.com/Mathematical-Circles-Russian-Experienc...)