You think you know Chicago? Jessica Mlinaric begs to differ as she talks about her book, Secret Chicago: A Guide to the Weird, Wonderful, and Obscure, and offers Kim’s Corner Food, a convenience store owned by Thomas Kong at 1371 W. Estes Ave. in Rogers Park, which Mlinaric calls “a “dizzying delight [where] Kong’s minimal collages cover the walls, shelves, coolers, even the merchandise.”