The book is divided into two parts. The first part is titled “The Universe,” and it covers the formation of the universe, the evolution of life on Earth, and the rise of the human species. In this part, Wells puts forward his own theories about the origins of the universe and of life on Earth, as well as his views on the development of human civilization. The second part is titled “History,” and it surveys the development of human civilization from the dawn of recorded history to the outbreak of World War One. Wells examines the various forces that shaped human civilization, such as the rise of empires and the development of technology and science. He also looks at the impact of different philosophical and religious traditions on history, and the effects of wars and other major events.