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.
Qui-Gon and Obi-Wan’s first mission as Master and Padawan looks to be routine Jedi procedure: overseeing elections. But before even making planetfall they become involved in uncovering what lies below the surface: mind wiping, food theft, and betrayal!
This is the beginning of a two-book story arc on the planet of Galla.