Presumably some readers bought the book when Shen appeared on the frontpage because its price on Amazon has risen from 40 usd to 230 usd: https://www.amazon.com

Presumably some readers bought the book when Shen appeared on the frontpage because its price on Amazon has risen from 40 usd to 230 usd: https://www.amazon.com/dp/B01K3JCGGI https://www.amazon.com/dp/B01K3JCGGI