<p>Author Rachel Rachel Joyce and musician Passenger discuss the new musical based on Rachel's hit book The Unlikely Pilgrimage of Harold Fry.</p><p>Eric Schlosser’s book Fast Food Nation has been republished after 25 years as a Penguin Classic. Samira Ahmed talks to the author about the impact of the book.</p><p>Emily Itami and comedian Iszi Lawrence review the British Museum's new exhibition "Samurai".</p><p>Critic Tim Robey on the work of Catherine O'Hara, following news of her death.</p>