At the end of our study in the 3rd Canto, Lord Brahmā manifested the father of mankind Svāyambhuva Manu and his wife Śatarūpā. In the 4th and 5th Cantos we will learn about the sons of Manu, Uttānapāda and Priyavrata....and more specifically in the 4th Canto we will study the pastimes of King Uttānapāda's son, Dhruva Mahārāja.
SB 4.8.8. purport: "The incidents in the life of Dhruva
Mahārāja are very attractive for devotees. From his pious actions, one
can learn how one can detach himself from material possessions and how
one can enhance one’s devotional service by severe austerities and
penances. By hearing the activities of pious Dhruva, one can enhance
one’s faith in God and can directly connect with the Supreme Personality
of Godhead, and thus one can very soon be elevated to the
transcendental platform of devotional service. The example of Dhruva
Mahārāja’s austerities can immediately generate a feeling of devotional
service in the hearts of the hearers."