The Greatest Thing In The World: The Parh To Love And Happindss - Original And Complete by Henry Drummond Brand New Paperback Genre: Christian Self Help The Greatest Thing In The World is a popular work by Henry Drummond, a Christian missionary during the nineteenth century. This classic work focuses on Drummond's concept of the most important ingredient in achieving and living a successful life. The Greatest Thing In The World has inspired many readers who have successfully embraced Drummond's ideas and used them in their own lives. A