Instruct: Classify a given review as either positive or negative.
Query: Excellent, knowledgeable

The book arrived in short time and in excellent shape, filled with useful information I shared with friends and relatives. Since the initial reading, the book has come up in conversation with others who have read it and found it useful in understanding personal frustrations with other people who seem to blurt out answers, mumble to themselves, or enjoy spontaneous activities. Recommended for anyone who feels separated from others around them who appear to have such different personalities.