From publisher blurb:
Each sorcerer has a source of magic somewhere in her heritage that grants her spells, bonus feats, an additional class skill, and other special abilities. This source can represent a blood relation or an extreme event involving a creature somewhere in the family’s past. For example, a sorcerer might have a dragon as a distant relative or her grandfather might have signed a terrible contract with a devil. Regardless of the source, this influence manifests in a number of ways as the sorcerer gains levels. A sorcerer must pick one bloodline upon taking her first level of sorcerer. Once made, this choice cannot be changed. Below you will find seven additional monstrous bloodlines with which to customize your sorcerer.
Included are the following sorcerer bloodlines:
Aranea
Asura
Behemoth
Kami
Lamia
Mi-Go
Robot