Stargate: Resistance is a novel by ROC publications and it continues the story of the original film. While the book was fully licenced by MGM, it should not be considered canon to the Stargate SG-1 television series and its predecessors.
Earth's Stargate link to planet Ballas is broken, leaving the Abydan colonists stranded—and stalked by a merciless enemy. Believed at first to be primitive beasts native to Ballas, these cat-like predators arrived through the Stargate—possessing superior firepower and innate military cunning. But who are these aliens, and why are they on Ballas? The answers lie in the secret past of an alien race—a race that is all too familiar to O'Neil and Jackson....