Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Count cards or lose money

This book presents readers with the ridiculous idea that they can win money with what is basically little more than progression betting. The author starts by complaining about the Martingale system, but then just offers a few more conservative methods of losing money, his main being the CLB betting system. Dunki-Jacobs doesn't seem to understand that unless you are building knowledge of the past cards into your betting strategy, there is no way to overcome a negative expectation. There may be a loose correlation between your losing streak and the probability of winning the next hand, but it is not enough to overcome the odds that are already stacked against you by the house. His simulations are ridiculous and his understanding of math is very limited.If you are going to take the time to read up on blackjack, and especially if you plan on playing the game often, I recommend learning to count cards...