The writers have been at the receiving end of a dispute, which has seen Amazon delay deliveries and cut discounts on some books published by Hachette, the fourth-largest U.S. book publisher owned by France's Lagardere.
(Also see: Authors Call on Readers in Amazon-Hachette Book Battle)
Authors United, a group of Hachette writers and their allies, is warning the Amazon's board that the reputation of the retailer, and of the directors themselves, is at risk, the report said.
The 1,100-member group has time until Wednesday to sign a letter, which warns the directors of the disrepute Amazon's treatment of the literary community is bringing to the company, the daily reported.
The letter follows an ad in The New York Times last month that asked readers to email Amazon's CEO Jeff Bezos and ask him to relent.
Amazon last month asked readers to help in its running dispute by emailing Hachette's CEO.
Amazon says pricing ebooks at $14.99 or $19.99 is too expensive and unjustifiable in most cases. It argues that lower-priced ebooks sell more and so ultimately generate more revenue, and more royalties for authors.
(Also see: Hachette Defends Itself After Amazon Alleges Price Fixing)
Representatives of Authors United were not immediately available for comment.
© Thomson Reuters 2014
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