Courtney Flatt

The checkout cards were dated 1962.

Before that, the longest the books they'd checked out was about a year.

Chris Nolfe manages the library.

He says both books were biographies on Henry Ford.

So they think perhaps the books were loaned to a student.

If the library had collected overdue fees, which they no longer do, they would have totaled about $3,000.

For NPR News, I'm Courtney Flatt in Richland, Washington.