New York Stock Exchange Barnes & Noble NOOK Media division PearsonWe aren't normally in the business of sharing stock picks here at TeleRead. But for the past three days, one of the biggest stories on the e-reading beat has been the news that Pearson—the British educational media company that owns the Financial Times and the Penguin Group—just invested $89.5 million in Barnes & Noble's Nook Media division, equalling a five percent equity stake. Business publications and financial journalists, of course, have responded en masse by sharing their own opinions about which companies in the e-reading space are headed for greatness, and which ones may have taken too many financial missteps already. As a...