Borders Group Inc. filed for Chapter 11 bankruptcy this morning, ending years of efforts to reposition the Ann Arbor, Mich.-based book seller without court protection.

AnnArbor.com's coverage:

• Ann Arbor bookstore chain Borders Group Inc. filed for Chapter 11 protection this morning in New York.

• Analysis: Can Borders avoid liquidation?

• About 200 stores will be closed, or 30 percent of the company's 640 stores across the U.S. The list of closings includes the Arborland store on Washtenaw Avenue but does not include the downtown and Lohr Road locations.

• A timeline of Borders' history in Ann Arbor shows the company's growth and decline.

• Video: Can Borders achieve a sustainable business model?

• Ann Arbor-area residents remain proud that the chain started downtown, but the connections to the company loosened in recent years.

• What was Borders' biggest mistake? Weigh in here.

• Other media coverage of Borders' bankruptcy filing.

• What are people saying about this filing? AnnArbor.com blogger Ed Vielmetti is tracking it today.

• AnnArbor.com's Jessica Webster worked at Borders for 12 years as a music buyer. Read her thoughts on what Borders did right.