In his letter to the Galatians, Paul explains his need to understand that the grace of God is offered for all people - whoever they are and whatever their background. William Barclay's commentary takes us through the letter and helps us to unpeel the inspiring layers of meaning in the description of the quality of grace. In the letter to the Ephesians, the nature of the tension between good and evil is explored and Christians are encouraged to put aside harmful self-interest and live together in unity.