Dale Ratzlaff wrote a book entitled Sabbath in Crisis where he opposes the Sabbath using arguments based on Bible covenants.
Dr. Desmond Ford believes that there is much Biblical evidence to support the Sabbath. We've tried to keep track of the dialogue
between the two different viewpoints for your reading enjoyment.
Dale Ratzlaff writes his book, Sabbath in Crisis [Text not available on the web]