The trans-system data storage library was an information repository located on the planet Halowan. It contained, among other things, information on star systems throughout the galaxy.
After evacuating Echo Base in 3 ABY, Alliance to Restore the Republic historian Voren Na'al visited the library, where he compiled a good deal of information on the Hoth system and the geography of Hoth for his records.
- Galaxy Guide 3: The Empire Strikes Back
- The Movie Trilogy Sourcebook
- Galaxy Guide 5: Return of the Jedi, Second Edition
- Galaxy Guide 3: The Empire Strikes Back, Second Edition
- The Battle of Turak IV on Hyperspace