2014 Reprint of 1924 Edition. Full facsimile of the original edition, not reproduced with Optical Recognition Software. Reuben Archer Torrey (1856-1928), was an American evangelist, pastor, educator, and writer. This is a classic text on tapping the power of God through prayer. Topics include: The freedom, peace, and security available through communication with God; How to pray; Who can pray; What interferes with prayer and how these hindrances can be overcome; What prayer can do for a person or a nation; Why pray. No other book so clearly outlines the positives of prayer, the prerequisites to prayer, the purpose of prayer, or the power of prayer.