It's official: Borders liquidation begins today

has officially announced that its going-out-of-business sale will begin Friday, with discounts of up to 40 percent off original prices at Borders superstores, Borders Express and Waldenbooks.

Here's a

to find your nearest shop.

You'll still be able to use any gift cards throughout the sale, but don't delay. Also, if you're a member of Borders Rewards Plus, you'll still get further discounts on those purchases for a limited time.

Although all sales are final on any items purchased today or afterward, Borders will honor its return policy on any items bought previously.

P.S. Don't forget to keep the usual

in mind when approaching the sale.