If a book is supposed to be here and it is not on Reserve, nor is it where it says it should be what do you do? Where do you send them? -Jackie

You actually would help them request that item (same as a 4-college book) that way someone will search for the book for them and notify them if they find it. You may want to let the patron know that they may not find the book but they will try. Unfortunately some books just go missing.