When I was a student, I was lucky enough to study in a school which had a very good library of books related to mathematics and mathematics education. Nowadays, you can study many of the great classical texts online. In 2009, I am going to share with you several gems that I have found online. In my quest for these texts on mathematics/mathematics education, a natural first stop is with one of the greatest mathematical texts of all times: The Elements, by Euclid.
Here is the text:
You can also download (or read online) this great book in Google Books. See these two links for two versions of the text.
Happy new year, and happy reading!