Instruct: Classify the given review into positive or negative sentiment.
Query: Bert Decker Knows How to Talk

This book provides the reader with a wonderful series of insights about how public speaking works. There are none of the old stereotypes -- and there is none of the usual advice (ie seeing the audience in their underwear). This is fresh information, delivered by a master. The kind of book that will make a difference in your life if public speaking is occasionally important to you.