Andy Griffiths is an Australian author and comedian best known for his children's books. He is the author of the Treehouse series, which has sold over 10 million copies worldwide and has been translated into over 30 languages. He is also the author of the Just! series, the Bum trilogy, and the Bad Book series. Griffiths is a popular speaker at schools and libraries, and has been awarded numerous awards for his work, including the Children's Book Council of Australia's Book of the Year Award and the Australian Book Industry Award for Children's Book of the Year. He is also the recipient of the Dromkeen Medal, which is awarded to individuals who have made an outstanding contribution to the appreciation and development of children's literature in Australia. Griffiths is a passionate advocate for literacy and reading, and has been involved in numerous initiatives to promote reading and writing among children. He is also a strong supporter of the arts, and has been involved in a number of projects to promote the arts in Australia.