A father’s nervous breakdown during a visit to a theme park; a political prisoner confined to a hole in a busy New York street; a haunted 'blog' … Welcome to Lethem-land, which can be discovered only by visiting – a place where the uncanny can be found lurking in the mundane, where humour and poignancy work in harmony, and a modern master of American letters entertains and dazzles us once again, as only he can.