From publisher blurb:
RETURN TO THE WORLD OF AMETHYST
In this latest book, prepare to know many of the truths only hinted previously, entire lands and peoples revealed in intricate detail. Secrets will be exposed. New enemies will emerge. No gods will save this world. No prophecies will herald emerging heroes. With sides established, where will you fall—with darkness or light, chaos or order, magic or technology? Is there balance? Will you and the world survive long enough to discover it.
In Amethyst Factions, you will find the following...
New races.
New gear including powered armor and guns
New vehicles including spacecraft
Foundation spells and new magic items
Over 150 pages exploring the setting of Amethyst
Over fifty new monsters
A campaign guide
A new adventure: The Taking of Proto Jericho