THE early life of Guru Har Gobind has already been given in the life of his father Guru Arjan. On 1 Besides the life of the sixth Guru by Bhai Santokh Singh, men tioned in the Introduction, there is another work called Gur Bilas on the same subject. The name of the author is not given. In the preface to it it is stated that Bhai Mani Singh went to Nankana.