| Preface | p. xvii |
| Geometries for Pedestrians | p. 1 |
| Geometries of Points and Lines | p. 1 |
| Geometries on Surfaces | p. 9 |
| Definitions of Frequently Used Terms | p. 20 |
| Flat Linear Spaces | p. 23 |
| Models of the Classical Flat Projective Plane | p. 24 |
| Convexity Theory | p. 28 |
| Continuity of Geometric Operations and the Line Space | p. 36 |
| Isomorphisms, Automorphism Groups, and Polarities | p. 44 |
| Topological Planes and Flat Linear Spaces | p. 53 |
| Classification with Respect to the Group Dimension | p. 56 |
| Constructions | p. 63 |
| Planes with Special Properties | p. 103 |
| Other Invariants and Characterizations | p. 109 |
| Related Geometries | p. 116 |
| Open Problems | p. 134 |
| Spherical Circle Planes | p. 137 |
| Models of the Classical Flat Mobius Plane | p. 137 |
| Derived Planes and Topological Properties | p. 144 |
| Constructions | p. 154 |
| Groups of Automorphisms and Groups of Projectivities | p. 169 |
| The Hering Types | p. 185 |
| Characterizations of the Classical Plane | p. 195 |
| Planes with Special Properties | p. 200 |
| Subgeometries and Lie Geometries | p. 202 |
| Open Problems | p. 208 |
| Toroidal Circle Planes | p. 212 |
| Models of the Classical Flat Minkowski Plane | p. 213 |
| Derived Planes and Topological Properties | p. 228 |
| Constructions | p. 237 |
| Automorphism Groups and Groups of Projectivities | p. 255 |
| The Klein-Kroll Types | p. 268 |
| Characterizations of the Classical Plane | p. 275 |
| Planes with Special Properties | p. 281 |
| Subgeometries and Lie Geometries | p. 283 |
| Open Problems | p. 287 |
| Cylindrical Circle Planes | p. 289 |
| Models of the Classical Flat Laguerre Plane | p. 290 |
| Derived Planes and Topological Properties | p. 299 |
| Constructions | p. 304 |
| Automorphism Groups and Groups of Projectivities | p. 329 |
| The Kleinewillinghofer Types | p. 342 |
| Characterizations of the Classical Plane | p. 351 |
| Planes with Special Properties | p. 352 |
| Subgeometries and Lie Geometries | p. 353 |
| Open Problems | p. 358 |
| Generalized Quadrangles | p. 360 |
| The Classical Antiregular 3-Dimensional Quadrangle | p. 361 |
| Basic Properties | p. 364 |
| From Circle Planes to Generalized Quadrangles and Back | p. 365 |
| Flat Minkowski Planes | p. 369 |
| Sisters of Circle Planes | p. 371 |
| Flat Biaffine Planes and Flat Homology Semibiplanes | p. 375 |
| Different Ways to Cut and Paste | p. 387 |
| The Apollonius Problem | p. 388 |
| Tubular Circle Planes | p. 395 |
| Unisolvent Sets of Functions | p. 396 |
| Nested (Ph)unisolvent Sets and Their Circle Planes | p. 406 |
| Convexity and Cut-and-Paste Constructions | p. 420 |
| Open Problems | p. 427 |
| Tools and Techniques from Topology and Analysis | p. 429 |
| Lie Transformation Groups | p. 444 |
| Bibliography | p. 458 |
| Index | p. 483 |
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