Theologians on the Christian Life is a 10-book series with 10 released primary works first released in 2012 with contributions by Fred G. Zaspel, Fred Sanders, Stephen J. Nichols, Matthew Barrett, Michael A.G. Haykin, Michael S. Horton, Dane C. Ortlund, George M. Marsden, Carl R. Trueman, John Bolt and 5 others.