Baddiel has written four novels: "Time for Bed" (1996), "Whatever Love Means" (2002), "The Secret Purposes" (2006) and "The Death of Eli Gold" (2011). In June 2015, Baddiel published his first children's novel, "The Parent Agency", which won the "LOLLIE" award (formally the "Roald Dahl Funny Book Awards") for ‘best laugh out loud book for 9–13-year olds’ and is now being developed into a feature film, also written and produced by Baddiel, by Fox 2000 Pictures. His subsequent children's novels include "The Person Controller" (2015), "AniMalcolm" (2016), "Birthday Boy" (2017) and "Head Kid" (2018). He wrote "The Boy Who Could Do What He Liked", a short story published for World Book Day in 2016.