They are mutants. They live on the known Earth. They are the X-Men.
But what is Savage Land?
Who are the Saurids?
Who is Brainchild and what does he have to do with the X-Men?
What sinister motives hide behind the veil of his hospitality?
All revealed in this action packed mini-series starring the X-Men...
Collected in X-Treme X-Men: Savage Land.
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/x-treme-x-men-savage-land/4050-18959/).
