Which particular books are your referring to?
I have read a few, which they say never reached the Bible.
One key point that arises is and of which I pickup as well from the Bible is - that the majority will be off the key core truths, re the basics of who and what the Father and Son are until Jesus comes and exposes the lies. 2 Thes 2 (not a 3rd Temple here, but the people)
The trouble is, the wrath follows, which is immediately after the tribulation imo, but the elect have already been gathered, just before Jesus's literal touch down.
So that suggests to me, they will have to cop the wrath and cling to this revealed truth.
Hence the woman (CC) drunk on their blood
, lol, never mind, God eventually wipes away their tears.
I hope I'm wrong, BUT??????
1 Peter 4:17 -
For the time for judgment to begin at the house of God; and if with us first, what will be the end of those who do not obey the gospel of God?
1 Cor 3:16,17 -
Do you not know that you are the temple of God and that the Spirit of God dwells in you?
If anyone defiles (spoils) the temple of God, God will destroy him . For the temple of God is holy, which you are.
Past Temples Down -> Ecc 1:9 -
That which has been is what will be, That which is done is what will be done, And there is nothing new under the sun. 
