Adam Kay is a former doctor who has written five million books and sold seven copies. No, hang on – he’s written seven books and sold five million copies. His debut book, This is Going to Hurt, is a literary sensation: a Sunday Times number one bestseller for over a year, winning a record-breaking four National Book Awards and selling over 3 million copies. Kay adapted This is Going to Hurt as a BAFTA-winning comedy-drama series for the BBC. Adam Kay’s children’s books have been translated into 30 languages and sold over 1 million copies, making him one of the UK’s bestselling children’s authors. Kay’s Anatomy became the fastest-selling children’s general non-fiction hardback of the decade. His first picture book, Amy Gets Eaten, was published in 2023, and his first children’s novel, Dexter Procter the Ten-Year-Old Doctor, was published in September 2024.

Henry Paker was once a little boy who did silly doodles in the margins of books. Now he is a grown man who does silly doodles in the middle of books. He is an award-winning comedian, writer and illustrator. He co-writes and performs in the Radio 4 sitcom ReincarNathan and co-hosts the Three Bean Salad podcast. Henry has illustrated all of Adam Kay's children's books.