Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Decent book

I am usually a bit wary about generic 'one size fits all' books, but this book surprisingly lived up to its promise.Only thing I wish they did was say which standardized tests each chapter was related to so that you can focus appropriately.Though most of the chapters are well written and relevant for the gmat, I am not sure it adequately covers the really difficult concepts like Stats, Perm/Comb etc.