CHAPTER ONE
On the Difference Between Our Sensations and the Things That Produce Them

CHAPTER TWO
In What the Heat and Light of Fire Consists

CHAPTER THREE
On Hardness and Liquidity

CHAPTER FOUR
On the Void, and How it Happens that Our Senses Are Not Aware of Certain Bodies

CHAPTER FIVE
On the Number of Elements and on Their Qualities

CHAPTER SIX
Description of a New World, and on the Qualities of the Matter of Which it is Composed

CHAPTER SEVEN
On the Laws of Nature of this New World

CHAPTER EIGHT
On the Formation of the Sun and the Stars of the New World

CHAPTER NINE
On the Origin and the Course of the Planets and Comets in General; and of Comets in Particular

CHAPTER TEN
On the Planets in General, and in Particular on the Earth and Moon

CHAPTER ELEVEN
On Weight

CHAPTER TWELVE
On the Ebb and Flow of the Sea

CHAPTER THIRTEEN
On Light

CHAPTER FOURTEEN
On the Properties of Light

CHAPTER FIFTEEN
That the Face of the Heaven of that New World Must Appear to Its Inhabitants Completely Like That of Our World