Part I Starting in the middle: tell me why; an idea is born; universal acid; the tree of life; the possible and the actual; threads of actuality in design space.
Part II Darwinian thinking in biology: priming Darwin's pump; biology is engineering; searching for quality; bully for brontosaurus; controversies contained.
Part III Mind, meaning, mathematics, and morality: cranes of culture; losing our minds to Darwin; the evolution of meanings; the emperor's new mind, and other fables; on the origin of morality; redesigning morality; the future of an idea.