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.
Collected in this massive Star Wars Omnibus are tales of that time, shortly before Star Wars: Episode I The Phantom Menace: early missions of Jedi Knight Qui-Gon Jinn and his Padawan, Obi-Wan Kenobi; missions full of foreshadowing and increasing danger for noble member of the Jedi Council Mace Windu and Ki-Adi-Mundi; the Anzati-linked origin of Jedi-assassination specialist and bounty hunter Aurra Sing; and, last, Sith apprentice Darth Maul's own mission to clear the criminal system of any adversaries who could potentially hamper the rise and return of the Sith!