Uttaradhyayana or Uttaradhyayana Sutra is one of the most important and sacred books of Jains. It consists of 36 chapters, each of which deals with aspects of Jain doctrine and discipline. It is believed by some to contain the actual words of Bhagwan Mahavira (599/540 - 527/468 BCE) - the 24th Tirthankara, though scholars analyze that the current text is a composite from different dates. The Uttaradhyayana mainly concerns central Jain principles illustrated through the use of anecdotes, parables, and historical stories through 36 chapters. See also List of Jain texts
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Further reading
Jacobi, Hermann (trans., 1895), Jaina Sutras, Part II: The Uttarâdhyayana Sûtra; The Sûtrakritâṅga Sûtra. (Oxford: The Clarendon Press). Available at sacred-texts.com and the Wisdom Library
Uttarādhyayanasūtra, in Pupphabhikkhū (ed.), Suttāgame, vol. 2, Gurgaon, 1954.