The book of Acts is enjoying intensified interest in the last few decades. Fruitful discussions are taking place in relation to not only its potential historical value as a record of early Christianity but also its narrative shape and its theological contributions to the subject of Christ, Spirit, church, and mission. Technical Darrell Bock (BECNT). Bock is an expert in Luke-Acts; he offers a treatment of Acts sensitive to historical and theological questions from an evangelical perspective.