This app will stop working on 3rd April 2017. But you can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
Derbyshire poet and climber Helen Mort visits Stanage Edge, famed for its millstone grit.
See all episodes from The Essay
Five figures from the arts and science introduce books that changed their lives and work.
Download all the episodes from the series and listen at your leisure.
Hear all five episodes of the latest episodes of the Essay before they're broadcast
See all podcasts for The Essay
Sign in to the BBC, or Register