DK was founded in London in 1974 and is now the world's leading illustrated reference publisher and part of Penguin Random House, formed on July 1, 2013. DK publishes highly visual, photographic nonfiction for adults and children. DK's aim is to inform, enrich, and entertain readers of all ages. DK brings unrivalled clarity to a wide range of topics with a unique combination of words and pictures, put together to spectacular effect. Our adult range spans travel, history, science, nature, sport, gardening, cookery, and parenting.