Chapter 1 - Introduction.- Chapter 2 - Galileo's units.- Chapter 3 - Day One: First new science, which concerns the resistance of solids to fracture.- Chapter 4 - Day Two: What could be the cause of cohesion.- Chapter 5 - Day Three: Other new science, on local motion.- Chapter 6 - Day Four: The motion of projectiles.- Chapter 7 - Additional Day: The force of percussion.