Books festival of the week: Guildford Book Festival, various venues

Cartoon capers: Simon Singh reveals the mathematical secrets of The Simpsons

More than 80 authors will feature at this festival in the Surrey town. Highlights includes Philip Ziegler talking to Tarquin Olivier about his father, Laurence, Simon Thurley chronicling the history of Britain's heritage industry, and Judith Mackrell telling the stories of six women form the Twenties.

Elsewhere Judith Flanders revisits the Victorian city, Matthew d'Ancona investigates the Coalition government and Simon Singh reveals the mathematical secrets of The Simpsons, while fiction comes from Sebastian Faulks, Peter James and Joanna Trollope.

01483 444334; guildfordbookfestival.co.uk; Thursday to 27 October