Instruct: Classify the given Amazon review as either positive or negative.
Query: Sloppy and full of errors

Hopefully a second edition is on the way, with the numerous mistakes corrected. Until then, I would stay away from this text. Besides outright errors, there are many places where the author is just not clear or contradicts herself, examples do not always agree with the text or are ambiguous, and captions are sometimes just plain wrong. I would venture to guess that this book was put together very quickly.