Prayer Does It Make Any Difference Author:Philip Yancey In Prayer, available for the first time in softcover, Philip Yancey probes the very heartbeat---the most fundamental, challenging, perplexing, and deeply rewarding aspect---of your relationship with God. What is prayer? Does it change God's mind or ours---or both? This book is an invitation to communicate with God the Father, who invites you int... more »o an eternal partnership through prayer.« less