From the punk rock stars of Australian children’s literature comes the fastest-selling Australian book in a decade and the no. 1 bestselling book of 2015.

Andy and Terry’s amazing 65-Storey Treehouse now has a pet-grooming salon, a birthday room where it’s always your birthday (even when it’s not), a room full of exploding eyeballs, a lollipop shop, a quicksand pit, an ant farm, a time machine and Tree-NN: a 24-hour-a-day TV news centre keeping you up to date with all the latest treehouse news, current events and gossip.Well, what are you waiting for? Come on up!‘It will be reread and reread… A fantastic ride’ - The Australian
‘Brilliantly silly’ - The Daily Telegraph
‘Hilariously clever’ - Australian Women’s Weekly