From publisher blurb:
Sorcerers of the Spheres is a major undertaking specifically for the players of Sorcerers in Pathfinder games utilizing the Spheres of Power and Spheres of Might systems by Drop Dead Studios. It was a long project, involving converting and creating archetypes, bloodlines, feats, and more for use with the Sphere-based casting and initiating systems.
Sorcerers of the Spheres contains:
•15 new and updated Sorcerer archetypes for use in Spheres of Power and Spheres of Might games.
•Conversion of nearly every first-party bloodline and several popular third-party bloodlines (40+) for use with Spheres of Power and Spheres of Might.
•Several new bloodlines for use with those systems.
•A revised system of Mutations that allow Sorcerer characters to customize their bloodline to better suit them.
•Rules for converting Favored Class Bonuses.
•15 new and updated feats for Sorcerers that utilize Spheres.