[1] Marcussen has offered to pay 1 million U.S. dollars to anyone who can find biblical proof of a Sunday Sabbath.
[2] Marcussen’s writings includes books by Amazing Truth Publications:[3] Two Months to Live; Cousin Henry Potter (and the Terrible Time Machine); and National Sunday Law.
[5] National Sunday Laws focuses on prophetic apocalyptic interpretations and warnings from the biblical books of Daniel and Revelation.
Jan Marcussen publishes a newsletter that chronicles the advancement toward a civil law requiring worship on Sundays (the Lord's Day in historic Christianity).
Marcussen's National Sunday Law was in part the inspiration for the 2004 action movie, The 4th Beast: Mask of the Antichrist.