I agree with the thrust of this response that best-advertising e book is the better phrase. @J.R. If something is a The big apple Moments Best Seller, the whole 5 phrase string is the adjective in use to change reserve, Though why e book is specified is outside of me; https://cybercrimelawyerindhakara98263.ampblogs.com/indicators-on-lawyer-in-dha-you-should-know-73209169