Moonwatcher and the rest of the tribe learn how to use tools - with implications for all humanity.

Arthur C Clarke's ground-breaking novel is set in our present, a vision of a future yet to be, and a past shrouded in mystery.

Read in ten parts by William Roberts - secrets of the story are revealed that the film adaptation missed.

Producer: Dirk Maggs

First broadcast on BBC Radio 4 in 2001. Show less