Andy Griffiths is an internationally successful, award-winning children's author. His books have been bestsellers in his homeland Australia, the USA and the UK. He is the co-creator of the bestselling, award-winning Treehouse series with illustrator Terry Denton, which has been published in over thirty countries. Andy thrives on having an audience: he has worked as a high school teacher; been the lead singer in a rock band and a stand-up comedian. He has two daughters and lives in Melbourne, Australia.

The first book in the Treehouse series, 13-Storey Treehouse, won the Sainsburys Children's Book Award in 2015, the Lancashire Fantastic Book Award in 2016, as well as the 2016 Coventry Inspiration Award, and the fourth Treehouse book, The 52-Storey Treehouse, won the Australian Book Industry Awards Book of the Year prize - the first children's book to ever do so.

Terry Denton is a bestselling and award-winning writer and illustrator based in Melbourne, where he lives by the beach with his wife and three kids. He has won more than fifteen children's choice awards throughout Australia and is the co-creator of the bestselling Treehouse series with author Andy Griffiths, which has been published in over thirty countries. As well as being an illustrator, Terry is a fine artist and has held several exhibitions around inner Melbourne.

The first book in the Treehouse series, 13-Storey Treehouse, won the Sainsburys Children's Book Award in 2015, the Lancashire Fantastic Book Award in 2016, as well as the 2016 Coventry Inspiration Award, and the fourth Treehouse book, The 52-Storey Treehouse, won the Australian Book Industry Awards Book of the Year prize - the first children's book to ever do so.

Merry Christmas from the treehouse! The 156-Storey Treehouse is the twelfth book of Andy Griffiths and Terry Denton's wacky treehouse adventures, where the laugh-out-loud story is told through a combination of text and fantastic comic book-style illustrations.

The kind of book I would have loved as a kid' - Tom Fletcher, author of The Christmasaurus

Andy and Terry have added 13 new levels to their treehouse!

There's a wishing well, a world-record breaking level, a TV quiz show (hosted by Quizzy the Quizzical Quizbot) and an amazing mind-reading sandwich-making machine!

But it's the night before Christmas, and things are not going well for them - they're at war with an angry snowman, Santa has crashed his sleigh and fallen into the cloning machine, and Mr. Big Nose wants a new book by tomorrow!

Can they defeat the snowman, save Christmas, and get their book written in time?

Well, what are you waiting for? Come on up!

Climb more fun-filled levels by collecting all thirteen books in the seven million-copy-selling series - the perfect chapter books for reluctant readers.