CONTENTS            
                
Title page Introduction
1. Special triangle points 8. Pole and polar
2. The nine-point circle 9. The cyclic quadrangle
3. Incircle and excircles 10. The radical axis
4. Three intersecting circles 11. Coaxial circles
5. The Simson line 12. Inversion
6. Pascal’s theorem 13. Porisms
7. The Apollonius circle