The contract presented to HarperCollins was the same contract recently signed by Simon & Schuster, Hachette, and Macmillan, Amazon confirmed.

If HarperCollins and Amazon don't come to an agreement, no print or digital HarperCollins books will be available on Amazon once its existing contract runs out "very soon," our source says.

Last year, Amazon fought a brutal, public battle with Hachette after the publisher's contract expired in March. After a long back-and-forth, the two came to an agreement that reportedly gave Hachette "control over most of its pricing but offered incentives to sell at lower prices," while Amazon "got increased co-op funds, the payments for placement on the retailer's website." At the time, both Amazon and Hachette said they were "pleased with the agreement," and Simon & Schuster and Macmillan both signed a similar contracts.