◼ Highgate Cemetry will host ‘Douglas Adams in the 21st Century’; a talk by Adams’ official biographer, Jem Roberts, at 7.30pm on Friday 11 March. Jem will examine how the universe has changed since the former Doctor Who writer and script editor passed away 15 years ago, with exclusive readings from the unpublished Adams archive. Tickets cost £7 and are available from highgatecemetery.org/events