A large range of symmetries in art is presented through clear and aesthetically outstanding examples of historical ornaments. Compendious comments illustrate the selected photographic material by addressing the interested and specialist reader alike. Contents:IntroductionFundamental categoriesThe convenient start: Plane groups of symmetryIntertwined patterns: Layer groups of symmetryTwo-colored periodic ornamentationPolychromatic patternsBeyond 2D groups: Hypersymmetry, superstructures, two symmetries in one pattern, the " order-disorder" patterns, homothety and similarity, inversion and nonlinear patternsQuasiperiodic patternsFractals and fractal characterStyle and symmetry – symmetry and styleReferencesIndex