Earth (the book): a visitor's guide to the human race

To our alien readers

To our human readers

Earth: everything you need to know about this gently-used, pre-owned planet

Life: a comprehensive guide to things that can be killed

Man: an introduction to the solar system's original "bad boys"

The life cycle: we called this living

Society: how we overcame our basic humanity for the greater good

Commerce: you didn't have to be crazy to work here ... but it helped

Religion: we were sure someone was in charge

Science: discovering nature's majesty, and then fixing it

Culture: the ultimate expression of our humanity, minus 10% commission

Final scores

Why we're not here

What we left out.