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.
In 2015, David C Cook acquired assets from Gospel Light and Standard Publishing, including the Gospel Light Curriculum line, The Standard Lesson Commentary, HeartShaper and Route 52 Curriculum from Standard among other products. This acquisition, positioned David C Cook as the 2nd largest Sunday School curriculum publisher in the world, only behind LifeWay Christian Resources. 
In 2016, David C Cook Canada was bought by management and merged with Augsburg Fortress Canada. It is now known as Parasource Marketing & Distribution.