Only five of them have survived, but one of these "of the Seven Chapters," or Haptanghaiti, was written after their author's death and provides evidence of reform in that a new genre of feminine gena powers and a commentary on the pre-existent soul were created.  
One figure in these texts is has aspects of Armaiti, Asha, and Khshathra, as well as three others termed the "Bountiful Immortals."  Only five of them have survived, but one of these "of the Seven Chapters," or Haptanghaiti, was written after their author's death and provides evidence of reform in that a new genre of feminine gena powers and a commentary on the pre-existent soul were created.  The worship of false religion is condemned in them, especially towards the "evil mind," Aka Manah, and other daevas.  Their final section is a dialogue between Jamaspa and their creator and they comprise Yasnas 28-53 of a sacred text alongside the Visperad, Videvdat, and Yashts.  For 10 points, name these Zoroastrian prayer-hymns.
One figure in these texts is has aspects of Armaiti, Asha, and Khshathra, as well as three others termed the "Bountiful Immortals."  
Gathas [prompt on answers of Zend-Avesta, or on Yasna before it's mentioned]