For anyone who's ever worked in retail, Retail Hell and Return to the Big Fancy by Freeman Hall. I will warn, there is plenty of profanity, but his writing style is hilarious! He was one of the first male "handbag, not purse" associates at Nordstrom. NOt sure if in his store, or area, but he really wanted to be a screenwriter, but needed to pay the bills. The first one is about his first go-around, and the second one, is about how he went back, after not having much luck as a screenwriter.
I can so relate to his classification of various types of customers, and was laughing hysterically thorughout both books.