Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Do not buy this book!

The book is very elementry. It was used and very cheap. The condition of the book was excellent.It may be a good book for a middle school student. That said here is what I would do if looking for a math resource for a child.1: "Mathematics in Human Affairs" by Kokomoor for $18.00 from Amazon(used price.).At this point I'll give an example -Under Triangles-The prentice Hill book has 3 pages relevent to triangles one page has a large picture of a Unitarian Church.The kokomoor book lists the 4 sets of conditions that will fix the triangle. The law of sines, the lawof cosines, and the law of tangents and shows how they are derived. It has 35 pages related to triangles with many solved problems2: Go to Dr. Math on the web. They give free homework help as well as many solved problems in many different areas at different grade levels.