Geoff Thomas is the pastor of Alfred Place Baptist Church in Aberystwyth and is a popular conference speaker. This book follows the scriptural revelation of the Holy Spirit from Genesis through Pentecost to today. It covers such topics as His personality and Deity, His inspiration and anointing in the Old Testament, and His work of conviction and regeneration. The subjects of spiritual gifts, putting to death sinful deeds by the Spirit, His sealing, and spiritual revival are also addressed.