way in which the Spirit operates to renew and save would have been very imperfectly known. 2. This book is an inspired account of the character of true revivals of religion. It records the first revivals that occurred in the Christian church. The scene on the day of Pentecost was one of the most remarkable displays of divine power and mercy that the world has ever known. It was the commencement of a series of stupendous movements on the earth to recover men. It was the true model of a revival of