The big news from Apple this morning will come from their event in New York to discuss new developments in the digital textbook market.

FORBES: Apple's Market Cap Hits $400 Billion; Shares At New High

College comparable store sales reflect the retail selling price of a new or used textbook when rented, rather than solely the rental fee received and amortized over the rental period.

ENGADGET: Barnes & Noble's Q4 and FY 2012: revenue up, losses up, hopes Microsoft hurries up

He taught in a school, hitch-hiked through 45 of the then 48 states and worked as a textbook editor in New York, all of it useful preparation for the kinds of books that were to make his name.

ECONOMIST: James Michener

The new models of desktop thin clients are literally thin, about the width and height of a textbook.

FORBES: Magazine Article

Sales of new books account for little more than half of all textbook revenue, with the remainder split between used books and other course materials.

CNN: Online booksellers go back to school

Consider the hundreds of millions that have been spent to apply new technologies--the Internet and e-book displays, specifically--to reshape the college textbook industry.

FORBES: Book Excerpt

We were looking for a new model to be able to reduce the cost of acquiring textbooks and, ultimately, it became a textbook rental model.

FORBES: An Interview with Dan Rosensweig of Chegg