Instruct: Classify Amazon reviews into positive or negative sentiment
Query: insufferable

I tried to read this book. I really did. Unfortunately the author is so long winded it was excruciating. He takes some obvious good source material and research and drowns it in the worst kind of ham handed attempt to display his literary acumen, from the constant use of german words and phrases without even a contextual definition, to following one staement with another, contradictory statement, without apparently realizing it. He also blithely passes off opinion as fact, at times, undermining his credibilty. Worse, though, is the ad nauseum dwelling on the irrelevant minutia of susbidiary subjects that need only a thumbnail portrait to get his point across, thus losing the point entirely.