Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent guide, but ...

I have used several Lonely Planet guidebooks in the past and I have found them all to be very useful. Unfortunately, my copy of this book (5th edition) came missing pages 101-108 - the section dealing with Nazca. The rest of the book is good, but how can a publisher let an error like this make it onto the bookshelf or into Amazon's warehouse?