Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Sailors read and beware the pirates!

I suggest before you sell the house, buy a sailboat, and launch that world cruise you've always dreamed about, you get to know the neighborhood. Get your hands on a copy of Klaus Hympendahl's "Pirates Aboard." This is a non-fiction survey of real, modern piracy attacks and a de-briefing styled discussion of the aftermath. Klaus IDs specific piracy hotspots, tells why they are hotspots, relates what is known about each attack, and returns to the dilemma yachters face in trying to decide whether to keep weapons on board. The individual accounts are well-written and digestable. I used his book as one of the sources for my new novel, "Arcturus," which does involve pirates--both contemporary and in history.Arcturus: A Jack McDonald Novel About Soldiers, Spies, Pirates, and Terrorists with Romantic and Historical Twists