For a very brief (way too brief) time the world was a much better place. A very large publisher (Springer) probably inadvertently decided to sell all their books online for the low price of $0. Silly me, I actually believed this was some kind of masterstroke of try-before-you-buy marketing, where only after you read the book you would decide whether or not you wanted to own the paper version. I imagined myself reading for the next year or so with complete abandon on all the subjects that inte...
