written and presented by Basil Davidson ; series producer, John Percival ; director, Christopher Ralling ; a Mitchell Beazley Television, Monarda Arts, Channel Four co-production
a Mitchell Beazley Television, RM Arts/Channel Four co-production in association with the Nigerian Television Authority ; written and presented by Basil Davidson ; produced by John Percival ; directed by John Percival, Christopher Ralling, Andrew Harries, and Mick Csaky