Used book – Les six compagnons et l'émetteur pirate, Paul-Jacques Bonzon, Robert Bressy

"The CTL, that's the Coastal Terrorist Organization; the newspapers are full of it right now. Apparently..." The gendarme stops. As soon as they arrive in Port-le-Roi for their first seaside vacation, the Six Companions are warned: a mystery is in the air. But they still don't know that they are stepping into the lair of a particularly dangerous secret organization...