The three booksellers who sued Amazon and the six largest publishing houses for what they characterized as restrictive DRM practices filed a response to those parties’ motions to dismiss the case. In the memo, filed yesterday, Posman Books, Fiction Addiction, and Book House of Stuyvesant Plaza say Amazon are “misreading” the complaint and relying on an “unsupported assertion of what they claim is contained in non-public contracts that they have purposefully decided not to produce to the court.” The original suit–already revised and amended once–“more than adequately alleged harm to competition in the market for ebooks” in the booksellers’ view. […]