published over 30 books and wrote over 100 articles in both religious and secular magazines on a variety of topics including the importance of caring for creation as part of biblical discipleship. In 1977, Sider's Rich Christians in an Age of Hunger, was published. Hailed by Christianity Today as one of the one hundred most influential books in religion in the 20th century, it went on to sell over 400,000 copies in many languages. He later authored Good News Good Works (published by Baker Book House), a call to the church to embrace what Sider sees as the whole gospel, through a combination of evangelism, social engagement and spiritual formation. Its companion book tells stories about effective ministries that bring both evangelism and social transformation together. Completely Pro-Life, published in the mid-1980s, calls on Christians to take a consistent stand opposing abortion, capital punishment, nuclear weapons, hunger, and other conditions that Sider sees as anti-life. Cup of Water, Bread of Life was published in 1994. Living Like Jesus (1999) has been called Sider's Mere Christianity. Just Generosity: A New Vision for Overcoming Poverty in America (1999, 2007) offers a holistic, comprehensive vision for dramatically reducing America's poverty. Churches That Make a Difference (2002) with Phil Olson and Heidi Rolland Unruh provides concrete help to local congregations seeking to combine evangelism and social ministry. Recent publications include: Fixing the Moral Deficit: A Balanced Way to Balance the Budget (2012); Just Politics: A Guide for Christian Engagement (2012); The Early Church on Killing: A Comprehensive Sourcebook on War, Abortion, and Capital Punishment (2012); The Spiritual Danger of Donald Trump: 30 Evangelical Christians on Justice, Truth, and Moral Integrity (2020). Ecumenical relations In August 2009, he signed a public statement encouraging all Christians to read, wrestle with, and respond to Caritas in Veritate, the social encyclical by Pope Benedict XVI. Later that year, he also gave his approval to the Manhattan Declaration, calling on evangelicals, Catholics and Orthodox not to comply with rules and laws permitting abortion, same-sex marriage and other matters that go against their religious consciences. Criticism Sider's opponents typically criticize his ideas as consisting of bad theology and bad economics. The most thorough critiques come from the American Christian right, specifically from Christian Reconstructionists. David Chilton's book, Productive Christians in an Age of Guilt Manipulators (1986), with a foreword by Gary North, argues that Sider's book takes a position contrary