Whether they are set in a country house or on the mean streets, detective novels tell us so much about human nature.
Readers are invited to a special screening and Q&A with former detective Jackie Malton, criminologist Fiona Brookman and forensic scientist Martin Evison.
The archetype can be traced back to 1920s detective fiction, when gruff, gun-toting, cigarette-smoking mavericks became heroic figures.
Move over Netflix, here's whodunnit by headphones.
As the literary world says goodbye to the Big Man from Kilmarnock, his friend Gerard Carruthers remembers a writer at the heights of the British canon.