Borders Group, Inc., through its subsidiaries, operates book, music and movie superstores, and mall-based bookstores. The Company's operating subsidiaries include Borders, Inc. (Borders), Walden Book Company, Inc. (Waldenbooks) and Borders Australia Pty Limited. The Company’s operates in three segments: Borders Superstores, Waldenbooks Specialty Retail stores and International stores. At January 31, 2009, it operated 518 superstores under the Borders name, including 515 in the United States and three in Puerto Rico. The Company also operated 386 mall-based and other small format bookstores, including stores operated under the Waldenbooks, Borders Express and Borders Outlet names, as well as Borders-branded airport stores. On June 10, 2008, the Company sold all of the outstanding shares of Borders Australia Pty Limited, Borders New Zealand Limited and Borders Pte. Ltd. to companies affiliated with A&R Whitcoulls Group Holdings Pty Limited.