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.
THE SCOUNDREL'S CODE! After helping destroy the DEATH STAR, HAN SOLO's ready to cash in his reward and return to life as a scoundrel. But when LUKE SKYWALKER asks for one last favor, Han gets pulled into a rebel mission that might wreck all of his plans. Co-starring CHEWBACCA and introducing AKKO, an old friend who might actually out-scoundrel Han himself!