Who would have written about Jesus' childhood, and why? It wasn't till He became of age (33 is legal age that a rabbi can begin his ministry) that anything really happened.
Also to your second point the Bible Does not say one has to be a Christian in order to be save. It says Christ will judge or determine who to save, (No man comes unto the Father but through Him.)
Also to your second point the Bible Does not say one has to be a Christian in order to be save. It says Christ will judge or determine who to save, (No man comes unto the Father but through Him.)