[pathsjs]

As an undergrad in maths, I spent lots and lots of afternoons browsing my university library and picking many interesting books about everything. Yes, there's the internet, but reading maths on paper is really a different experience, and moreover you don't know what you don't know, so it is not easy to replicate the experience online. And no, they were not required for my courses, but you're not there just to pass the courses, you're there to learn