What links Sarah Lund and Lars von Trier? Or Carlsberg and Kierkegaard? Or even Shakespeare and Metallica? The answer lies in Denmark, the country that has gripped the British imagination more than any other in recent memory. But though we watch their TV series, wear their jumpers, and play with their toys, how much do we really know about the Danes themselves? From Lego to lava lamps – via Borgen, The Killing, and the Muhammed cartoons – Patrick Kingsley takes us on a journey into the mysterious heart of Denmark.