This volume contains the four speeches delivered by Cicero in 63 BC, when he was a consul, against the conspiracy headed by L. Sergius Catilina. Catilina was scheming to bring about a general uprising in the country if he could not rise to a position of power by election. This volume includes an English introduction and notes on the speeches by E.A. Upcott.The e-text used to produce this audiobook also includes further helpful study material for Latin scholars, which has been omitted from this audio version. - Summary by Carolin