Principles of effective prayer Author:Wentworth Pike What is prayer? Why pray? Created as a devotional study for individuals or a textbook for groups, Principles of Effective Prayer answers these questions and many others. Developed as a class taught at Prairie Bible Institute (Canada), this book will lead you into a life and ministry of effective, God-glorifying prayer! Thousands of studen... more »ts have discovered dynamic prayer through Pike's teaching - now you can too.« less