Stargate SG-1: The Illustrated Companion are reference books to the seasons of Stargate SG-1.
The following books are available;
- Stargate SG-1: The Illustrated Companion Seasons 1 and 2
- Stargate SG-1: The Illustrated Companion Seasons 3 and 4
- Stargate SG-1: The Illustrated Companion Seasons 5 and 6
- Stargate SG-1: The Illustrated Companion Seasons 7 and 8
- Stargate SG-1: The Illustrated Companion Season 9
- Stargate SG-1: The Illustrated Companion Season 10