Textbook in PDF format
Preface
Inversion and Stereographic Projection
Bend Formulas
Graphs and Circle-Systems
Spherical Geometry I
Spherical Geometry II
The Problem of Thirteen Balls
Spherical Geometry III
Geometric Probability on the Sphere
Intersection Graphs of Spherical Caps
Quartets on a Sphere
Higher Dimensions
The Cayley-Menger Determinant
Casey's Theorem
Solutions to the Selected Exercises
Bibliography
Index