All the People in the Bible by Richard R. Losch (May 1, 2008) Eerdsmans Press ISBN0802824544209: "Nothing is known of the life of Jesus during the seventeen years from the time of the incident in the temple until his baptism by John the Baptist when he was about thirty. Countless theories have been proposed, among them that he studied in Alexandria in the Jewish centers there and that he lived among the Essenes in the Judean desert...there is no evidence to substantiate any of these claims and we have to accept that we simply don't know.... The most likely thing is that he continued to live in Nazareth and ply his trade there..."