Preface; Introduction: Political theory read in the light of politics; 1. La chose publique de nostre royaume; 2. Political vocabulary in action; 3. Murder, justice, and la chose publique in an age of madness; 4. The commonwealth under siege: Louis XI; 5. La chose publique and urban government; 6. The Orléanist offensive: 'Puissance absolue' and republicanism; Conclusion.