Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Wanna-be gunkholer happy with this book:-)

In addition to telling you where facilities, anchorages, and other interesting local points of interest are, he supplies invaluable lessons only learned in the school of hard knocks. Valuable mariner lessons were included on weather prediction, inlet navigation, and other techniques tailored to use in the Chesapeake bay. The book was very well done, and I hope to set off on a cruise in the very near future.