Jonathan Aitken is a well-known British author and former politician. He was a Member of Parliament for twenty-three years, serving in the Cabinet as Chief Secretary to the Treasury and also as Minister of State for Defense. His political career ended when he pleaded guilty to charges of perjury as a result of having told a lie on oath in a civil libel lawsuit. During an eighteen-month prison stay, he converted to Christ. He is president of Christian Solidarity Worldwide, a director of Prison Fellowship International, and executive director of The Trinity Forum in Europe. He is the author of twelve books, including the award-winning Nixon: A Life and Charles W. Colson: A Life Redeemed. PHILIP YANCEY is editor at large of Christianity Today and cochair of the editorial board for Books and Culture. Some of his books include Rumors of Another World (2003), Reaching for the Invisible God (2000), The Bible Jesus Read (1999), What's So Amazing About Grace? (1998), The Jesus I Never Knew (1995), and Where is God When It Hurts (1990).