Correct - the publisher does not have the power to stop used copies of their books being resold, as per first sale doctrine. You can definitely still sell or bu

Correct - the publisher does not have the power to stop used copies of their books being resold, as per first sale doctrine. You can definitely still sell or buy used copies, although one of your most convenient markets (eBay). But that's eBay's decision, they have the right to decide that.