Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent learning tool

Graham has been around the block and it it shows. This is really the A-Z of OO. From the basics through artificial intelligence and fuzzy set theory, this is a book that you can grow into over time as you develop skills and understanding. When the math gets deep, he gives signposts warning "If you are not interested in the math behind how this database stuff works, skip over this section". 800 pages of gold.