It is one of the longest of the 18 books in the Mahabharata, and contains numerous discussions on virtues and ethics, along with myths of Arjuna, Karna, tales of “Nahusha the snake and Yudhisthira” as well as “Ushinara and the hawk”, love stories of “Nala and Damayanti”, as well as “Savitri and Satyavan”.