The Bourne Ultimatum - Penguin Readers - Level 6 At a small-town carnival, two men, each mysteriously summoned by telegram, witness a bizarre killing. The telegrams are signed "Jason Bourne." Only they know Bourne's true identity and understand that the telegrams are really a message from Bourne's mortal enemy, Carlos, known also as the Jackal, the world's deadliest and most elusive terrorist. And furthermore, they know what the Jackal wants: a final confrontation with Bourne.