Each book is dedicated to a different alternative world.

What happens when steam becomes the dominant energy source?

How can oil and machine power reshape human society?

Can nuclear energy create a perfect society?

Can a person be truly free when megacorporations control their life?

Can humanity live in harmony with technology and nature?

Can humans play the role of gods and reshape life itself?

How far can humanity advance using only mechanical technology?

Can society evolve with technology while maintaining a lavish aristocratic order?