Christina Lamb, Peter Ackroyd, Liza Pickard and Mark Bowden on Pablo Escobar.

The conversations in this episode were recorded in the Langham Hotel in West London 20 years ago.

Mark Bowden recounts the life of the mega rich drug dealer Pablo Escobar in his book 'Killing Pablo'.

Mark Bowden's  book is a type of biography and following  that Peter Ackroyd tells David Freeman about his fascinating biography of London.

A different dimension of London's history is told by Liza Pickard in her book 'Dr. Johnson's London'.

Finally the award winning journalist Christina Lamb tells the remarkable story of a rich eccentric who a hundred years ago built a replica of an English country house in the middle of Africa. 'The Africa House' is a an astonishing true story that would make an amazing film.