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.
His master betrayed and killed, young Caleb Dume is alone. When being a Jedi makes him a target, what can a Padawan do? Continuing the story of the birth of Star Wars Rebels' Kanan Jarrus!