Frank Cottrell-Boyce is an award-winning author and screenwriter. Millions, his debut children's novel, won the CILIP Carnegie Medal. He is also the author of Chitty Chitty Bang Bang Flies Again, Cosmic, Framed and The Astounding Broccoli Boy. His books have been shortlisted for a multitude of prizes, including the Guardian Children's Fiction Prize, the Whitbread Children's Fiction Award (now the Costa Book Award) and the Roald Dahl Funny Prize. Sputnik's Guide to Life on Earth was shortlisted for the 2017 CILIP Carnegie Medal and selected for the inaugural WHSmith Tom Fletcher Book Club.

Frank is a judge for the BBC Radio 2 500 Words competition and, along with Danny Boyle, devised the Opening Ceremony for the London 2012 Olympics. He has written for the hit TV series Dr Who and was the screenwriter for the hit film Goodbye Christopher Robin.

Steven Lenton is a multi-award-winning illustrator, originally from Cheshire, now working from his studios in Brighton and London with his dog, Big Eared Bob. He has illustrated many children's books including Head Kid and The Taylor Turbochaser by David Baddiel, The Hundred And One Dalmatians adapted by Peter Bently, the Shifty McGifty and Slippery Sam series by Tracey Corderoy and the Sainsbury's Prize-winning The Nothing To See Here Hotel series written by Steven Butler. He has illustrated two World Book Day titles and regularly appears at literary festivals and live events across the UK. Steven has his own Draw-along YouTube channel, showing how to draw a range of his characters. He has also written his own picture book Princess Daisy and the Dragon and the Nincompoop Knights' and his new young fiction series Genie and Teeny. For more info visit stevenlenton.com