Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Time-Slip is a novel in which a new Messiah appears in Scotland among survivors of World War III.
Reception
Dave Langford reviewed Time-Slip for White Dwarf #78, and stated that "Martin makes it blackly clear that his protagonist's religious cure-all leads to an upswing in the evil it explains away."
Reviews
Review by Brian Stableford (1986) in Fantasy Review, May 1986