David C. Cook is a nonprofit Christian publisher based in Colorado Springs, Colorado. It was established in 1875 by David Caleb Cook in Chicago, IL and publishes fiction and nonfiction books as well as over 10 lines of Sunday School Curriculum. It uses its profits for global ministry. For many years it published a Christian comic book, Sunday Pix, with stories about the adventures of Christian heroes in many different eras and in many parts of the world.David C.