Most of these assignments will encourage you to work from life. Working from life will teach you to see correctly and allow you to work more with light and form in your artwork. This is one of the critical cornerstones in building a foundation in drawing. So, persevere. Give How Great Thou Art your best effort, and we will see what you have accomplished by the end of the book. Ages 12 through adult. This is the Teachers Manual for How Great Thou Art I and II. It explicitly guides the teacher through each lesson.