This work is an edition and literary-critical study of a Manichaean text in Sogdian known as the Āzandnāmē, or Parable-Book. The first part is a new and expanded edition of the Sogdian text with English translation and philological commentary. The second part, and main contribution, is a literary-critical study of the individual parables of the Āzandnāmē as well as of the genre of parables with the framework of Manichaean literature as a whole.