Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Howie Carr -- NON-FICTION masterpiece!

Howie Carr cements his reputation as 'da man' of Boston media with this recounting of the story of Billy and Whitey Bulger.And, unlike many of the his cross-town broadsheet rivals, this is non-fiction!This book is a must read for any forward-thinking person who wants to know the nitty-gritty details of how the Bulgers got on top and stayed on top for so long.And unlike the books from the Bulget coat-holders, this one is all true!