To complement Radio 4's major dramatisations of The Havana Quartet by Cuba's leading crime writer, Leonardo Padura, Mark Lawson, in Foreign Bodies, examines how mystery novels have reflected five different political systems.

The writers Helon Habila, whose books include the award-winning Oil on Water, and CM Okonkwo talk to Mark Lawson about how a flourishing new tradition of Nigerian crime fiction explores British legacy, tribal tradition and the new "corporate colonialism" as global companies exploit the country's mineral reserves. Show less