They Must Have Been At The Bottom Of Their Class

(A library patron asks for a specific book. I look it up in our catalog and give them the call number. They go out to the stacks but return a few minutes later without the book.)

Patron: “I can’t find this.”

Me: “Okay, let’s go have a look.”

(I lead them to the stacks where their book should be in call number order.)

Patron: “This is where I was. It isn’t here! I looked all over!”

(I reach down and pull the book they want from the bottom shelf and hand it to them.)

Patron: “Oh, I didn’t think to look on the bottom shelf.”

Me: “…?”