The all-Amazon Monday links:

• Authors United full-page open letter in Sunday’s New York Times urges readers to email Amazon CEO Jeff Bezos about ongoing dispute with Hachette
• Readers United open letter urges readers to email Hachette CEO Michael Pietsch about collusion and lower prices for ebooks
• David Streitfeld of the NYT points out that the Readers United letter mischaracterizes a partial quote from George Orwell
• John Scalzi argues that Amazon’s supposed advocacy on behalf of readers is disingenuous
• Amazon doubles down by also challenging Disney