I have fond memories of spending hours hanging out at the old Borders book stores. In the days before the Internet, it was the place to go to get a book on any topic you could possible think about. In my travels throughout the United States, I visited a Borders wherever I went! Here's a list of the different States where I visited a Borders.
Ohio
Pennsylvania
Nebraska
California
Kentucky
Massachusetts
Arizona
Oregon
Florida
Alaska
You can validate your puzzle solution with certitude.