Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Gack. A boring, difficult, unrewarding read.

This thing...this book of Musicant's...isn't hitting on all of its cylinders. Musicant is incapable of maintaining a coherent chronology. His source material is limited. The work is not difficult intellecutally -- in fact, the opposite -- but is made difficult by Musicant's consistently poor use of English; he so often puts adjectives in the wrong place that the reader frequently has to stop and try to figure out (or guess) what he means...the difference between