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Unsurprisingly, books selected for a 99p deal are primed to shoot up the Amazon charts – if they weren’t there already. “The top 10 Kindle books chart is dominated by 99p deals,” observes ...

Moreover, the book has been rated 4.8 stars out of five by Amazon shoppers.

The video of Brown went viral, and Murphy's book jumped hundreds of thousands of spots to top Amazon's (AMZN) best-selling books list overnight. "Inner Excellence" was the No.1 selling book across ...