Grand prix de la francophonie

The Grand Prix de la francophonie is presented annually by the Académie française at the initiative of the Canadian Government to a personality who contributes to the development of the French language throughout the world.

From the Wikipedia article “Grand prix de la francophonie”, licensed under CC BY-SA 4.0.

Check the official rules of the Grand prix de la francophonie for the current eligibility window, accepted formats, residency or language requirements and any entry fee. For most established prizes the publisher submits on the author's behalf, often with a limit on entries per imprint.

If you are self-published, look for an explicit statement that independently published books are accepted, and budget for entry fees and copies for judges.