BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
The Youtini Expanded Universe Ranking system is a 1-5 scale that ranks EU book quality, difficulty, and importance. Books closer to Level 1 are easier to read and understand, more important, and of higher quality.
Following a shocking political assassination, young Jedi Master Qui-Gon Jinn is dispatched to prevent the outbreak of a civil war on the homeworld of his Padawan Xanatos—whose father is king. For the headstrong Xanatos, this return to his home has dredged up hidden resentments and passionate emotions. It is a mission that will lead Qui-Gon into close contact with the dark side and start him on a quest that will have a major impact on the future of the Jedi Order!