Book Return vs. Book Cart

There has been some confusion about where to place a book returning it here in the library. There is a book return located at the end of the circulation desk, where you check out, that books maybe placed when returning them. There is a sign below the hole in the desk that reads "book return." That is where you put your books! The book cart also at the end of the circulation desk is for books that I have checked in and sorted. Some books have been returning to the shelves still checked out to people, probably due to being placed on the cart rather than in the book return.