Daren King's first children's book Mouse Noses on Toast won the Nestlé Children's Gold Prize and his previous children's title Peter the Penguin Pioneer was shortlisted for the Blue Peter Award. He lives in London. David Roberts is from Liverpool and is a prolific children's books illustrator. He has worked with Philip Ardagh, Julia Donaldson, Jacqueline Wilson and Chris Priestley. He is also the creator of the Dirtie Bertie series. He now lives in London.

• Frightfully Friendly Ghosties. Frightfully Friendly Ghosties: Ghostly Holler-Day. Frightfully Friendly Ghosties: School of Meanies. An Interview with Daren King. An Interview with David Roberts.

'A collection of twitchy ghosts is the perfect vehicle for King's energetic imagination [and] Roberts's black-and-white drawings perfectly complement the absurdity of the adventures' Daily Mail.