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.
Straight from the frames of the highly anticipated film Solo: A Star Wars Story swaggers a younger - and somehow even cockier - Lando Calrissian! Before his days in the Rebellion, before he ran Cloud City, even before he lost the Millennium Falcon, comes this tale of Lando's adventures and misadventures in search of love and money - leading right up to his appearance in Solo!