5/5 Writer Ken Worpole reflects on the grim forts and defences of the east coast of Britain.
BBC Radio 3
4/5 Prof Roberta Gilchrist discusses the place of women in the history of British castles.
3/5 Benjamin Wild recounts the siege of Kenilworth castle - the longest in English history.
2/5 Nicola Coldstream explores the careers of two master masons.
1/5 Professor Jeremy Black considers the primary military function of castles.
5/5 Geneticist Sir Paul Nurse discusses the book Conjectures and Refutations by Karl Popper.
4/5 Actress and playwright Lolita Chakrabarti on Charles Dickens's book A Tale of Two Cities.
3/5 Journalist and writer Jon Ronson discusses Jonathan Coe's book What a Carve Up!
2/5 Jude Kelly of London's Southbank Centre discusses Little Women by Louisa May Alcott.
1/5 Musician and singer Steve Earle discusses the book In Cold Blood by Truman Capote.
5/5 Polly Coles discusses the boat-loving residents of Venice.
4/5 Focusing on the residents of Venice who serve the many tourists who arrive each year.
3/5 On the recent Biennale fashion of rigging-up neon strips of random text around Venice.
2/5 Writer Polly Coles focuses on the impact of celebrity on Venice.
1/5 Polly Coles on what 'home' and 'house' mean to various types of residents in Venice today.
5/5 Tom Shakespeare discusses the lives and works of a selection of disabled artists.
4/5 Tom Shakespeare discusses the lives and works of a selection of disabled artists.
3/5 Tom Shakespeare discusses sculptor Arturo Bispo do Rosario, who had schizophrenia.
2/5 Tom Shakespeare on painter Bryan Pearce, born with the metabolic disorder Phenylketonuria.
1/5 Tom Shakespeare discusses the blind tenth-century Arabian poet Al-Ma'arri.
5/5 Herlinde Koebl discusses World War One, targets and killing.
4/5 Haris Pasovic explores WWI's effect on the long history of nationalism in the Balkans.