Sandi Toksvig, Sophie Dahl, Jeremy Paxman, author PD James, Andrew Marr, Tony Benn will to wax lyrical on topics such as defending democracy, food, looking at clouds and, best of all, Alain de Botton on religion for atheists. 

May 18-20 | 11am-7.45pm | £12
Opera Holland Park, Central Library, Phillmore Walk, W8 7RX
Tube | High Street Kensington

Image: Sophie Dahl (Getty Images)