I agree Together with the thrust of the respond to that best-selling book is the better term. @J.R. If something is actually a New York Moments Best Seller, The full five phrase string is the adjective in use to change book, Though why e-book is specified is further than me; https://rafaellfdri.newsbloger.com/37232508/the-2-minute-rule-for-corporate-lawyer-in-karachi