Tim Ball, an illustrator, contributed artwork to both The New Essential Guide to Weapons and Technology and a number of editions of The Official Star Wars Fact File.
- The Official Star Wars Fact File 31
- The Official Star Wars Fact File 35
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- The Official Star Wars Fact File 44
- The Official Star Wars Fact File 50
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- The Official Star Wars Fact File 70
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- The Official Star Wars Fact File 101
- The New Essential Guide to Weapons and Technology