Martinet former military, who joined the Action Service of the DGSE, or the borderline intelligence operations abroad, recounts his journey. He recounts with great interest his spy training with some pretty strong points (how to kill with a yaw) and evokes some field missions. Unable to bear this double life, he moved back home to the private Canal + to blow crooked department; he reports humorously and uncompromising amateurism of this Machiavellian service. If Martinet can say anything only for obvious reasons, this is a book that helps to understand better a spy and all its psychological, family and social difficulties.