Introduction Mariska Leunissen; 1. How to study natural bodies: Aristotle's M¿¿¿¿¿¿ James G. Lennox; 2. Aristotle on interpreting nature Sean Kelsey; 3. Nature as a principle of change Stasinos Stavrianeas; 4. Aristotle on chance as an accidental cause James Allen; 5. Man from man but not bed from bed: nature, art and chance in Physics II Margaret Scharle; 6. In defense of the craft analogy: artifacts and natural teleology Charlotte Witt; 7. The origins of Aristotle's natural teleology in Physics II Robert Bolton; 8. Substantial generation in Physics I. 5-7 Devin Henry; 9. A dynamic ontology: on how Aristotle arrived at the conclusion that eternal change accomplishes Ousia Diana Quarantotto; 10. Aristotle's processes David Charles; 11. Physics V-VI versus VIII: unity of change and disunity in the Physics Jacob Rosen; 12. Perfection and the physiology of habituation according to Physics VII.3 Mariska Leunissen; 13. Self-motion as other-motion in Aristotle's Physics Ursula Coope; 14. The argument of Physics VIII Andrea Falcon.