Jeremy Greenfield | The Kindle Fire and third-party sellers helped Amazon reach $17.43 billion in fourth quarter 2011 revenue, a 35% increase over fourth quarter 2010 revenue.

Thad McIlroy | Yesterday morning, Barnes & Noble dropped a bombshell. In a press release reporting on the holiday season, Barnes & Noble CEO William Lynch revealed that the company’s overall sales and profits are not looking as strong as expected. And Sterling, the bookseller’s publishing unit, is for sale. What does it all really mean?

Jeremy Greenfield | Is this the beginning of the end for Barnes & Noble? Analysts think it might be but add that it’s not time to panic — yet.

Thad McIlroy | With over 1,200 college and retail bookstores across 50 states, Barnes & Noble is the No. 1 bricks-and-mortar book retailer in America. In Amazon.com, Barnes & Noble faces a tough competitor. Given the state of the company and of its competition, what are the advantages it has in the bookseller wars?

Jeremy Greenfield | Insight into just how Walter Isaacson’s Steve Jobs biography became Amazon’s best-selling book of the year.