Wayne Grudem (Christian Book): Do you think that Wayne Grudem's book "Systematic Theology" is a good way to study? Rebaptism: Should I be rebaptized if I feel as though I have been legitimately baptized in the Catholic church? [Acts 18:8, Acts 16:33, Acts 19:1-7]. Apostle's Baptism: Am I correct in thinking that there is no biblical record of the apostles being baptized after the baptism of John? [John 4:1-2].