In an excerpt from Pablo Hidalgo’s Essential Reader’s Companion, an early concept for the New Jedi Order series is revealed:
“The story arc was to very closely hew to the myth structure of the Hero’s Journey as outlined by Joseph Campbell, a huge influence on the creation of the Star Wars cinematic story. With that as its basic framework, the plot underwent much evolution and exploration. Its earliest descriptions had Luke Skywalker sending the three Solo children on an epic quest, upon which they encounter a new female character from the invading species sent to infiltrate the galaxy. This unnamed female corrupts Anakin, nearly turning him to the dark side, but she falls in love with him and Anakin instead redeems her. In a fit of intense sibling rivalry, Jacen and Jaina turn on Anakin, and in the resulting conflict, Jacen dies.”
So much in the EU depends on the authors and the execution, but I can’t say this story idea doesn’t strike me as a better one than the muddled mess we eventually got.