
 Amazon.com: Geometry Revisited (New Mathematical Library): Books: H. S. M. Coxeter,Samuel L. Greitzer (Site not responding. Last check: 20071013) 
  inversive distance, cyclic quadrangle, orthic triangle, spiral similarity, pedal triangle, central dilatation, coaxal circles, three cevians, medial triangle, radical axis, inversive plane, radical axes, central conic, external bisectors, internal bisectors, circles orthogonal, three collinear points, congruent circles, inverse points, two intersecting circles, circle with center, angle bisectors, directed segments, direct similarity, cross ratio 
  A thorough knowledge of geometry beyond what you learn in high school in necessary needed to be competitive, and the place to get it is Geometry Revisited. 
  Geometry Revisited should be used as a textbook for every geometry class in high school. 
 www.amazon.com /exec/obidos/tg/detail//0883856190?v=glance (1232 words) 
