It is thorough, and it explains a lot of biblical principles in a unique way – especially unique to the WORLD.
From the beginning, God made the creation, Adam and Eve, and everything was perfect. There was no evil or death in the creation. Because God created mankind with a free will, and he also created the tree of life and the tree of knowledge of good and evil. There was a choice man could make, to walk with God and live, or to walk his own way, but without God.