If A e-book seems over a "Best Seller Listing*, I guess the generic "best vendor guide" is ok, but I don't like it much. If not, "best-providing e-book* is exactly what I might assume to explain a guide that marketed or is promoting very well with no reference to it https://asiansupermarketadelaide.food.blog/2025/03/17/find-everything-you-need-at-the-best-asian-supermarket-in-adelaide/