I'm not sure but parent might be talking about the contract between Amazon and the author of the book, since violation of the terms of that contract is the rati

I'm not sure but parent might be talking about the contract between Amazon and the author of the book, since violation of the terms of that contract is the rationale Amazon is using to take down these books. I.e. how can Amazon claim that the author violated their exclusivity agreement when the author did not consent to the book being released on The Pirate Bay and such a release was the result of copyright violation by a third party.