Born in Australia, Kathy Lette, 65, co-wrote her first novel, Puberty Blues, when she was 17. It was published in 1979 and became a film and TV series. She moved to the UK in the late 80s and went on to write international bestsellers. Her titles include Girls’ Night Out, Foetal Attraction, Mad Cows, The Boy Who Fell to Earth, and The Revenge Club, which has just been published. She is an ambassador for Ambitious About Autism and the National Autistic Society. She has two children and lives between London and Sydney. When were you happiest? When the book of...