Douglas Forbes' Six Six Six - Nostradamus Vs Revelations 666 explores the connections between Nostradamus' prophecies and the biblical Book of Revelation, particularly the infamous number 666. Published in 1997, the book examines historical interpretations of apocalyptic predictions and how they have influenced modern thought.

Forbes delves into the symbolism behind 666, comparing Nostradamus' cryptic verses with biblical passages to uncover potential parallels. He also discusses how different cultures and eras have understood the concept of the Antichrist, prophecy, and end-times speculation.