Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Good book, but...

...contains several typos (and Nautical Almanac pages referenced in some of the problems are missing). Instead of this one, get the updated (2006) version - it also has color illustrations while this one only has them in black & white.[Later addition]: Or even better, get Ocean Sailing (same author), which includes the material from the (corrected) 2006 edition plus additional topics on ocean weather and passage-making.Ocean Sailing