Hachette UK is the leading book publishing group in the UK. The group is made up of several publishing companies and imprints including Headline Publishing Group, Hodder & Stoughton, John Murray, Orion Publishing Group, Octopus Publishing Group, Hachette Children's Books, Little, Brown Book Group and Hodder Education Group. Hachette UK is owned by Hachette Livre, the world’s second largest trade and educational publisher.