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 High Republic
Part of the first wave of High Republic titles, Justina Ireland delivers the middle-grade title, A Test of Courage. Surprisingly young prodigy Jedi Knight Vesnestra Rwoh is charged with the protection of Avon Starros, an adventure-seeking Senator’s daughter, on their way to the dedication of the Starlight Beacon. The Nihil, villains established in Light of the Jedi, infiltrate their transport ship and their sabotage rips the ship apart. . . leading Vernestra and the traumatized crew to take on an evil beyond anything they could have imagined.
When a transport ship is abruptly kicked out of hyperspace as part of a galaxy-wide disaster, newly-minted teen Jedi Vernestra Rwoh, a young Padawan, an audacious tech-kid, and the son of an ambassador are stranded on a jungle moon where they must work together to survive both the dangerous terrain and a hidden danger lurking in the shadows….