Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Intricate plot mixes history with fantasy

For people who tend to be analytical, who like fast-paced intricate plots. For people who are interested (even mildly) in codes and ciphers. For people who like to speculate on the future of the internet and its role in international politics and economics. For people who are interested in the South Pacific battles in WWII.For people who like books where things happen, where the story is the thing and the characters are doers, not navel-gazers, try this mammoth book. It will reward your attention with a robust, fascinating, well-told story about people you'll remember for a long time.