I agree with the thrust of the answer that best-marketing ebook is the better phrase. @J.R. If a thing is usually a The big apple Instances Best Seller, the whole five word string would be the adjective in use to modify book, although why e-book is specified is over and https://tysonptvwv.blogstival.com/57999709/catch-up-tv-shows-ireland-iptv-for-dummies