Andy Griffiths and Terry Denton: adding Treehouse storeys forever

Author Andy Griffiths and illustrator Terry Denton created a children's book phenomenon in 2011 with their book The 13-Storey Treehouse. Now they're up to The 104-Storey Treehouse, their eighth in the series. Andy Griffiths and Terry Denton were in New Zealand recently for a short tour, bringing their Treehouse to life on stage.