It's official:

Borders is closing its 399 remaining stores and 11,000 employees are being laid off. In a statement, Borders Group President Mike Edwards said, “We were all working hard towards a different outcome, but the headwinds we have been facing for quite some time, including the rapidly changing book industry, e-reader revolution, and turbulent economy, have brought us to where we are now.”

More information at AnnArbor.com.