The book dashavataram by R.Ponnammal is a spiritual and religious book of Hindus. Matsya, Kurma, Varaha, Narasimha, Vamana, Parshuram, Rama, Krishna, Buddha, and Kalki are the main ten avatars of Lord Vishnu who is called to be the protector of the universe. This Dashavataram book is a devotional Hindu book in which the author narrates the history of all those ten avatars of Lord Vishnu.