Series 4 Episodes
23. Episode 23
October 15th, 2009
For the new series' first episode, Mariella Frostrup (right) is at the 60th Cheltenham Literature Festival.
24. Episode 24
October 22nd, 2009
Iranian-born comedienne Shappi Khorsandi, veteran journalist Harold Evans, and Melvyn Bragg
25. Episode 25
November 5th, 2009
Ian Rankin and Tracy Chevalier
26. Episode 26
November 26th, 2009
Dr Brooke Magnanti, 34, works at St Michael's Hospital and wrote best-selling books about her time as a prostitute as she struggled to make ends meet. Also, Booker Prize-winner Hilary Mantel.
27. Episode 27
December 3rd, 2009
John O'Farrell, Conn Iggulden, and Alison Weir
