Customer:“I want a book to complete the set for my grandson.”Me:“Certainly, madam. Can I ask what you’re looking for?”Customer:“Well, he’s interested in history. I want to encourage him, so he’s already got books on World War 1 and World War 2. I want to get him the next one so he can be prepared before they do it at school.”Me:“Um, the next one?”Customer:“Yes. Haven’t you got anything on World War 3? I’ve looked all over.”Me:“I’m sorry, Madam. I’m pretty certain we don’t have anything on that subject at the moment.”Customer:“Oh, never mind then. I’ll try a bigger bookshop.”
H/T Not Always Right
(P.S.: I actually know one such book.).