The humans had designed and begun to assemble a new model of long-distance space probe, an explorer of far-off planets. Such probes could be adapted as emissaries for the thinking machines, new substations for the computer evermind? From the headquarters in a complex of nondescript buildings off the Boulevard Mortier close to the Porte des Lilas, a dingy suburb of north-east Paris, the hundred toughs of the Action Service went out to war?