Jean-Christophe Grangéis a French mystery writer, journalist, and screenwriter, born in Paris. He began his career as a journalist, specializing in international reporting, before founding his own press agency, L & G.
Grangé rose to prominence with bestselling crime novels known for their dark tone, complex plots, and global settings. His most famous work, The Crimson Rivers, was adapted into a successful film and helped establish his international reputation.
He has since written numerous popular thrillers, many of which have been adapted for cinema and television, solidifying his position as a leading figure in contemporary French crime fiction.