See these online tracts, articles, and essays on authentic Christian teaching about being “born again”:

See also these texts and ebooks on the sacrament of baptism, the means appointed by our divine Lord for our second birth:

In belated observance of the Feast of St. Nicodemus. For other online texts and legally free ebooks, you may access the List of Free eBooks (Arranged by Title) and the List of Free eBooks (Grouped by Subject).