Books published by Macmillan are unavailable on Amazon.com, apparently the biggest rift yet in the continuing row over e-book prices.
Macmillan chief executive John Sargent says he was told on Friday that the publisher's books would be removed from Amazon.com, as would e-books for Amazon's Kindle e-reader.
Sargent had meetings with Amazon officials Thursday to discuss the publisher's new pricing model for e-books. He writes in a letter to Macmillan authors and literary agents that the plan would allow Amazon to make more money selling Macmillan books and that Macmillan would make less.
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The letter said, in part: "By the time I arrived back in New York late yesterday afternoon they informed me that they were taking all our books off the Kindle site, and off Amazon. The books will continue to be available on Amazon.com through third parties."
Publishers have criticised Amazon for charging $9.99 for best-selling e-books. They say the price is too low and could hurt hardcover sales.
Amazon did not immediately return messages seeking comment on Saturday.
