Instruct: Classify Amazon reviews into positive or negative sentiment
Query: a must have!

I bought this book, at suggestion of an instructor, to go along with an heirloom machine quilting class that I took. It's an amazing book. Very detailed in instruction and "street smart" -- very understandable and you can easily reproduce the styles (well, with a little practice!) ...You've got to check out the wedding dress inside ... breathtaking!