I'm sure there's an area of the contract that he agreed to when he listed his book that Amazon is not liable for pricing mistakes. So there's the trade-off: yo

I'm sure there's an area of the contract that he agreed to when he listed his book that Amazon is not liable for pricing mistakes. So there's the trade-off: you're listed in Amazon's market that is seen by more people than probably any other e-book market and you're getting royalties directly, but if Amazon screws up, too bad.