A number of books have been written about the Holy Spirit. But this one, to my knowledge, is unique in that it presents a theology of the Holy Spirit motivated by the desire to understand the Pentecostal movement and contrasts Pentecostalsâ€™ teachings on the Holy Spirit with that found in the New Testament The book is divided into two major parts. The first part is a history of the Pentecostal movement, and the second part is a presentation of the theology of the Holy Spirit as found in the New Testament contrasted with that of the teachings of the Pentecostal movement. Part One, The Holy Spirit in Pentecostal Experience, contains four chapters: The Contemporary Place and Significance of the Pentecostal Movement, The Background and the Beginnings of the Pentecostal Movement, The Baptism in the Holy Spirit in the Pentecostal Movement, and The Gifts of the Holy Spirit in the Pentecostal Movement. Part Two, The Holy Spirit in New Testament Witness, contains three chapters: The Baptism of the Holy Spirit in the Acts of the Apostles: A Comparative Study, The Way of the Holy Spirit According to the New Testament and the Consequences for Pentecostal Doctrine: A Systematic Survey, and Huper: The Relevant Spiritual Problems in Corinth.