Conversation so far:
What does the Voice of Nigeria mean?
The Voice of Nigeria or is the official international broadcasting station of Nigeria.
What did Chinua Achebe do at the Voice of Nigeria?
One of Chinua Achebe's first duties was to help create the Voice of Nigeria network.
What is the African Writers Series?
African Writers Series is a series of books by African writers that has been published by Heinemann since 1962.

Question: What kinds of things did they talk about at the conference?
Self-contained rewrite: What kinds of topics did the attendees talk about at the conference of African writers in English?