The vast majority of Christians have been taught to observe Sunday as God's holy day in honor of the fourth commandment-but is it right? This brief but thorough book examines Bible texts that refer to Sunday and whether those texts really make Sunday sacred. 

If Saturday is the Sabbath, why do most Christians keep Sunday?
How can even we be sure of the right day?
Does Jesus' resurrection on Sunday mean Sunday is sacred?
When did Sunday keeping begin? Did the apostles go to church on Sunday?