AmazonAmazon is facing an unusual opponent in the battle for the lowest book prices online:, which last week announced a promotional campaign to sell its books “at least 10 percent below’s prices.” While that promotion was only supposed to last for a week, Overstock has decided to continue it for longer. In response, Amazon is slashing its own prices on print books. In a special report over the weekend, trade publication Shelf Awareness noted that Amazon has begun “discounting many best-selling hardcover titles between 50 percent and 65 percent, levels we’ve never seen in the history of Amazon or in the bricks-and-mortar price wars of the past.” Publishers Marketplace, however, notes that Amazon has offered similar discounts in the past when matching promotions from retailers like Walmart.

Read the full story at Giga OM.

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