Over and above this, Śrīmad-Bhāgavatam is a personal commentation on the Vedānta-sūtra by Śrī Vyāsadeva. It was written in the maturity of his spiritual life through the mercy of Nārada. Śrī Vyāsadeva is the authorized incarnation of Nārāyaṇa, the Personality of Godhead. Therefore, there is no question as to his authority. He is the author of all other Vedic literatures, yet he recommends the study of Śrīmad-Bhāgavatam above all others. In other Purāṇas there are different methods set forth by which one can worship the demigods. But in the Bhāgavata ...