My book, Strange Attractors: Creating Patterns in Chaos (ISBN 1-55851-298-5), describes a simple method for generating an endless succession of beautiful fractal patterns by iterating simple maps and . . . . .
Contents: Surfaces; Simplices, Complexes, and Triangulations; The Fundamental Group, Orientability; Homology Groups; The Classification Theorem for Compact Surfaces; Topological Preliminaries; A Deto . . . . .