Grand Prix de Littérature Policière

The Grand Prix de Littérature Policière (or the Police Literature Grand Prize) is a French literary prize founded in 1948 by author and literary critic Maurice-Bernard Endrèbe. It is the most prestigious award for crime and detective fiction in France. Two prizes are awarded annually to the best French novel and to the best international crime novel published in that year.

From the Wikipedia article “Grand Prix de Littérature Policière”, licensed under CC BY-SA 4.0.

Check the official rules of the Grand Prix de Littérature Policière 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.