Instruct: Classify Amazon reviews into positive or negative sentiment
Query: It's good because of what it covers

To one of the reviewers: The "delta-epsilon" definition of the limit really is tough - don't blame yourself or the book. Try Googleling it - everybody has a hard time explaining it.What I like about the book is that I feel it is giving me a solid preparation for an advanced degree in economics. You just have to plow through it, and have confidence in the fact Klein chose the right material.Nobody has said this stuff is easy...