When you travel by train, use the internet, move from guest to guest at a party, do a crossword, or find a route using a streetmap, you are using or experiencing networks. Networks are everywhere. The connections may be in space or in time, thy may be physical, or they may be intangible or abstract, but wherever we find objects that are interrelated we find mathematical networks. The importance of such networks is taking everyone by surprise book, and in this ...