It should be a great moment for the publishing industry, which for years has been limping along with flat sales. But amid this avalanche of commerce and pre-publication hype, the book business is ruefully taking note of a startling incongruity: Very few U.S. booksellers will be making big money from “Harry Potter and the Deathly Hallows.” —Josh Getlin and Martha Groves —Harry Potter and the diminished returns (CalendarLive.com | LA Times)