Devi Mahatmyam (on iPad Simple Book Reader or as PDF)
The Devi Mahatmyam or Devi Mahatmya (meaning in Sanskrit "Glory of the Goddess") is a Hindu text describing the victory of the goddess Durga over the demon Mahishasura.
As part of the Markandeya Purana, it is one of the Puranas or secondary Hindu scriptures, and was composed in Sanskrit around c. 400-500 CE, with authorship attributed to the sage (Rishi) Markandeya. (from Wikipedia)
This text has a special meaning for us in Sahaja Yoga.