Conversation so far:
What did Joseph Conrad do?
Joseph Conrad was a Polish-British writer regarded as one of the greatest novelists to write in the English language.
When was Chance published?
Though his talent was early on recognised by English intellectuals, popular success eluded him until the 1913 publication of Chance, which is often considered one of his weaker novels.
Did Joseph Conrad have friends?
Joseph Conrad had a friend named Stefan Buszczyński.
Did Joseph Conrad have more friends other than Stefan Buszczynski?
In the northern Corsica town of Luri, where there is a plaque to a Corsican merchant seaman, Dominique Cervoni, whom Joseph Conrad befriended.

Question: Did he write books with someone?
Self-contained rewrite: Did Joseph Conrad write books with someone?