Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent Academic Book

Knuth's set of books on the Art of programming are excellent academic books. However, I should like to warn everyone that they are not practical programming books. For one thing, they examine each subject in extreme detail. Someone looking for a quick review of sorting, for example, will find page after page of mathmatical formulae and definitions, detailing not only sorting in general but total orderings, keys, data structures, etc. Also, don't expect to steal any code from this book. All the algorithms are written in MIX, a hypotheical assembler language for an abstract machine. In fact MIX is so out of date, and the abstract machine so primitive, Knuth is promising to update both - but not very soon.In short - these are great books. But they're not light reading and they are geared more for academic study rather than practical use.