I grew up on the U.S.-Mexico border in Brownsville, and didn't start writing until I moved away and was in my early thirties. And numerous people do use telephone books to look up a telephone quantity, discover a plumber, and so on. Experiment with various ways to say what it is you've created. https://WWW.Ypchina.org/drtv-media-advertising-expand-your-brand-awareness-with-drtv-media-buying/