Val McDermid presents a special edition from the Edinburgh International Books Festival.

American author Paul Auster talks about his Man Booker longlisted novel 4 3 2 1, which offers four different versions of the central character's life.

Denise Mina on her first true crime novel, The Long Drop, about one of Scotland's most notorious criminals, Peter Manuel.

Glasgow Student Slam Poetry Champion Catherine Wilson performs a poem written specially for Front Row.

Mike Heron from The Incredible String Band discusses the joint memoir he's written with the Scottish novelist Andrew Greig, You Know What You Could Be.

Folk singer Sam Lee performs The Incredible String Band song, The Circle is Unbroken.

Presenter: Val McDermid Producer: Timothy Prosser.

Comment fonctionne le stylo détecteur de cancer ?