- Forces of Destiny: Meet the Heroes
- Forces of Destiny: Daring Adventures: Volume 1
- (First appearance) (Appears in hologram)
- Droids in Distress book
- Star Wars Rebels – "Droids in Distress"
- Servants of the Empire: The Secret Academy
- Star Wars Rebels – "Brothers of the Broken Horn"
- Star Wars Rebels – "Blood Sisters"
- Star Wars Rebels – "Stealth Strike"
- Star Wars Rebels – "The Future of the Force"
- "The Size of the Fight"—Star Wars Rebels Magazine
- Star Wars: Forces of Destiny – "Bounty of Trouble"
- Star Wars Rebels – "Legacy"
- Star Wars: Forces of Destiny – "The Stranger"
- Ultimate Star Wars (First identified as Garel system)
- Star Wars Propaganda: A History of Persuasive Art in the Galaxy
In other languages