REG is reading "The Prisoner Of Zenda" on Radio 2 at 9.15pm this Friday evening, 2nd November. It's on 9:15 - 9.30 pm. I think it may have been on before as the text reads:
"Richard E Grant continues his reading of the adventure. The King of Ruritania has been imprisoned in the tower of Zenda by his brother. However, Rudolph Rassendyll is impersonating the monarch and has taken his place to prevent the evil Duke from seizing the throne. In this episode, Rudolph is warned of a plot to murder the King."
There's also a little colour pic, and the magazine is the Daily Express "Saturday" magazine. Tape machines at the ready!