Borrower returns library book 47 years past due, provides explanation in 'thoughtful letter'

(NEXSTAR) – A library patron in Minnesota has returned an overdue book 47 years after checking it out, claiming to have forgotten all about it after moving from the area.Perhaps wisely, the borrower also returned the book anonymously, through the mail, thereby avoiding the disapproving glare of any librarians at the front desk. Why are traffic lights red, yellow, and green?The book — “Chilton’s Foreign Car Repair Manual” — was checked out from the Lake Elmo lo