Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Lots of hidden treasures if you know how to search!

This book seems odd to Western Eyes - a huge amount of (good) pictures and examples, mixed with some advice. However when you understand that the art and the advice go together, and that the core of the book is "see this example? Now shut up and practice it," then you can get quite a lot out of it.There's a lot of good tips organized into sections - but don't expect a lot of handholding. Instead expect a few pictures, reading advice like ("raise the eyelids like this for this effect") and then picking up your pen and drawing.You'll get advice on faces, eyes, hair, different styles of clothes, and even exotic pretty girls like angels and the omnipresent catgirls. I myself, an amateur artist, got a great deal out of this book - it WON'T start you from scratch, but it will give a student good advice.