If a e-book seems on the "Best Seller Record*, I assume the generic "best vendor e-book" is okay, but I don't love it Considerably. Otherwise, "best-advertising e book* is exactly what I'd be expecting to explain a e book that marketed or is marketing effectively without having reference to it https://adelaidefinestsupermarket.health.blog/2025/03/17/exploring-the-finest-chinese-supermarket-in-adelaide-a-food-lovers-guide/