Nets, Puzzles, and Postmen: An exploration of mathematical connectionsWhat do road and railway systems, electrical circuits, mingling at parties, mazes, family trees, and the internet all have in common? All are networks  either people or places or things that relate and connect to one another. Only relatively recently have mathematicians begun to explore such networks and connections, and their importance has taken everyone by surprise. The mathematics of networks form the basis of many fascinating puzzles and problems, from tictactoe and circular sudoku to the 'Chinese Postman Problem' (can he deliver all his letters without traversing the same street twice?). Peter Higgins shows how such puzzles as well as many realworld phenomena are underpinned by the same deep mathematical structure. Understanding mathematical networks can give us remarkable new insights into them all. 
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Review: Nets, Puzzles, and Postmen: An Exploration of Mathematical Connections
User Review  Chris Herdt  GoodreadsFlipped through this at the bookstore. An exploration of graph theory and its applicationsit looked interesting. Although it's a very casual approach to this branch of mathematics, it is a book ... Read full review
Review: Nets, Puzzles, and Postmen: An Exploration of Mathematical Connections
User Review  Brian Palmer  GoodreadsI loved it. A good sense of humor and convivial carrying along through proofs  this felt like real math, not simply a popular description of math, but I won't hesitate to recommend this to most ... Read full review