Includes Study GuideThis little book invites us to study with some ancient experts in prayer, the persons who wrote the Book of Psalms. We haven't read long in the psalms before we realize that the authors, like us, were altogether human, their lives marked by breathtaking highs and lows. But with all of that, they were saints who left us with the greatest collection of prayers in the possession of our human race. What was their secret? I believe...