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.
Luke Skywalker does some fast flying as he protects Hoth's rebel base from the Empire. This level 1 early reader retells classic scenes from Star Wars: The Empire Strikes Back as the rebels face off against the Empires dreaded mechanical AT-ATs. Featuring beautiful full-color illustrations, this World of Reading book is perfect for little Star Wars fans who are ready to read on their own.