What does it mean to be filled with the Holy Spirit and is this something that is true of all Christians? What kind of person does God delight to use in the work of his kingdom? What is revival? Is it a sovereign work of God by his Spirit or merely the result of evangelistic activity on the part of zealous Christians? Is God as concerned to save a single individual as a whole city of people? These are just some of the issues Geoffrey Thomas deals with in this popular, thought-provoking, and soul-stirring study of Philip the Evangelist and the great Samaritan awakening, recorded in Acts chapter 8.