Conversation so far:
Did Brown commit copyright infringement?
In August 2005 author Lewis Perdue unsuccessfully sued Dan Brown for plagiarism.
Did Dan Brown write novels?
In 1996 Dan Brown quit teaching to become a full-time writer. Digital Fortress was published in 1998.

Question: What other novels did he write?
Self-contained rewrite: What other novels did Dan Brown write besides Digital Fortress?