James Patterson, Suzanne Collins and Margaret Atwood are among thousands of writers endorsing an open letter from the Authors Guild urging AI companies to obtain permission before incorporating copyrighted work into their technologies. The Guild announced Tuesday that other signers include the Pulitzer Prize-winning novelists Jennifer Egan, Michael Chabon and Louise Erdrich, as well as authors Jonathan Franzen, Celeste Ng, Nora Roberts and Ron Chernow.