I bought this book online during a Princeton University Press’s Flash Sale. I saw 70% advertised somewhere online and told myself that this is too good of an opportunity to miss out on…only to later find that this “sale” happens every single week.

I felt that a book like this may be a bit too technical for me and I was, for the most part, right. However, even if I didn’t understand at a deep level the proofs, concepts, etc that the various authors of the various essays, put forth, I would at least grasp something. Here’s what I grasped: