Instruct: Classify Amazon reviews into positive or negative sentiment
Query: kindle version of the eBook

I am so much looking forward to reading Dr. Sowell's <<Knowledge and Decisions>>. I purchased eBook from Kindle store and it never downloaded to my PC.I have tried all the methods provided from the Web page. They seem not helpful.I would give the Kindle store 'negative' marks based on my experience.I have read parts of Dr. Sowell's book and I would give his work 5+ stars.