Is there any official avatar content titled fire and ash?

The verified evidence confirms that 'Avatar' (2009) is the first film in the Avatar series, created by James Cameron. It details the story of humans colonizing Pandora and interacting with the Na'vi species. However, the evidence does not mention any other titles within the series, including 'Fire and Ash.' As of the provided information, no official Avatar content with this title exists in the series. Any reference to 'Fire and Ash' would require additional sources beyond the current evidence.