kalki all books - கல்கி contain popular books of Kalki Krishnamurthy an Indian writer . He is famous for his extra ordinary tamil and narrative skills . kalki books in tamil has some of the famous books in the applications are 1. Ponniyin Selvan , 2. Sivagamiyin Sabatham, 3. Soolamalai Illavarasi, 4. Parthiban Kanavu, 5. Alai Osai, 6.Moghini Theevu. This app contains night mode for effective use in night time or in dark place to protect your eyes . Have also included bookmarking option for easy usage