Andy Griffiths on Terry Denton’s genius: ‘He was a true clown. He could make something funny out of nothing’

<p>The children’s author remembers his friend and collaborator of 35 years, whose ‘seemingly inexhaustible flow of nonsense’ drove their bestselling Treehouse books</p><p>Terry was assigned to me as my illustrator when I wrote an educational book called Swinging on the Clothesline,