Andy Griffiths is one of Australia's most popular children's authors. He and illustrator Terry Denton have collaborated on more than 30 bestselling books since their first title, Just Tricking, was published in 1997.

In Australia Andy and Terry's books have sold over 10 million copies, won 80 children's choice awards and 10 Australian Book Industry Awards-including Book of the Year for The 52-Storey Treehouse in 2015.

Their much-loved Treehouse Series has been embraced by children around the world and is now published in more than 35 countries. Five of the books in the series have been adapted for the stage and have all had sell-out seasons at the Sydney Opera house, as well as highly successful seasons in the Netherlands, New Zealand and America.

Andy is a passionate advocate for literacy and in 2015 was awarded the Dromkeen Medal to honour his outstanding contribution to Australian children's literature. He is also an ambassador for both The Indigenous Literacy Foundation and the Pyjama Foundation.

Andy Griffiths is one of the most popular children's author in Australia. He has written more than 25 books, including nonsense verse, short stories, comic novels and plays. His books have been New York Times bestsellers, won more than 50 children's choice awards, been adapted as a television cartoon series and sold more than five million copies worldwide. He is best known as the author of the JUST! series, The Day My Bum Went Psycho and the bestselling Treehouse series.

In 2008 Andy became the first Australian author to win six children's choice awards in one year for Just Shocking.

In 2008 Andy and his wife Jill collaborated with The Bell Shakespeare Company on the popular and critically acclaimed theatrical production 'Just Macbeth!' which was nominated for two Helpmann Awards. In July 2010 'Just Macbeth!' completed a return sold-out season at the Sydney Opera House before heading to the Edinburgh Fringe Festival. The book of the play was shortlisted for the 2010 Prime Minister's Literary Awards.

Andy has had a long-standing collaboration with the multi-talented illustrator Terry Denton. Readers who want to sneak behind the scenes to see Andy and Terry's creative partnership can dive into Once Upon a Slime. This book aims to ignite the writer inside by offering story ideas and zany activities.

In 2011 Andy and Terry started a new series that has captivated audiences across the country, smashed sales records and won industry awards. The 13-Storey Treehouse, The 26-Storey Treehouse, The 39-Storey Treehouse,The 52-Storey Treehouse, The 65-Storey Treehouse and The 78-Storey Treehouse have all won ABIA Awards and The 52-Storey Treehouse also won the overall ABIA Book of the Year in 2015. The 65-Storey Treehouse, The 78-Storey Treehouse and The 91-Storey Treehouse have been, respectively, the fastest selling Australian books ever. The 104-Storey Treehouse will be released in August 2018.

Stage shows of The 13-Storey Treehouse, The 26-Storey Treehouse and The 52-Storey Treehouse have had sell-out seasons at the Sydney Opera House. The stage show of The 78-Storey Treehouse will be showing in early 2018.

Andy is an ambassador for The Indigenous Literacy Foundation and the Pyjama Foundation, and was awarded the Dromkeen Medal in 2015 to honour his outstanding contribution to Australian children's literature.

Terry Denton is a writer and illustrator based in Melbourne, Australia. His work is mainly humour-based cartoon style.


Terry Denton has illustrated bestsellers such as the JUST! series and the Treehouse series by Andy Griffiths. He has three children and is the owner of a back garden burial ground for dead pets.