Lady Jessica is a fictional character in the "Dune" universe created by Frank Herbert. A main character in the 1965 novel "Dune", Jessica also plays an important role in the later installment "Children of Dune" (1976). The events surrounding Jessica's conception, her birth and her early years with Leto are chronicled in the "Prelude to Dune" prequel trilogy (1999–2001) by Brian Herbert and Kevin J. Anderson. The character is brought back as a ghola in the Herbert/Anderson sequels which conclude the original series, "Hunters of Dune" (2006) and "Sandworms of Dune" (2007).