There was a time when picking out a book wasn’t something you did online or with reviews or recommendations on a screen. It was something that happened in aisles under fluorescent lights, usually after school or on a weekend trip that didn’t feel like anything special until you were standing there deciding which story you were going to take home. Those Kmart runs on Denton Highway are still easy to picture. Walking down the aisles, drifting toward the book section like it was its own small world tucked inside the store. The covers did most of the talking back then. Bright colors, dramatic faces, titles that promised feelings you didn’t…