Instruct: Classify Amazon reviews into positive or negative sentiment
Query: interesting premise, awful execution

Reading the summary of this book, it sounded really quite interesting. European society had been killed off by plague and thus Islamic and Chinese societies were the dominant ones on Earth. The book was divided up amongst several stories detailing various time periods and the ways in which scientific discoveries - flight, gunpowder, trains, telescopes, etc were "discovered" in this alternate history. But these stories just got boring and I found myself wanting to skip large sections of them in the hope that the book would get better, unfortunately it didn't.