At Penguin Random House UK, three paperback lines will publish under the Penguin brand and colophon in the future, to “leverage” the better-known brand. Transworld’s Black Swan and Corgi imprints and Cornerstone’s Arrow will all make the switch, the Bookseller reports. But it is a branding change only: “There are no internal structural implications to this development. Nor are any roles in the company affected by it.”