The annual award for aspiring cartoonists offers the chance to be published in the Observer and win £1,000, with past winners going on to land film and book deals
She has appeared in plays, novels, paintings – even love songs. From Andy Warhol to Alan Bennett, artists, writers and musicians have changed our picture of the Queen we think we know
The author and illustrator, 83, tells Donna Ferguson about working with Roald Dahl, his three happy marriages, feeling sorry for optimists and being brought up in the Blitz