The Internet for Dummies - What is a Network?

John R Levine, Margaret Levine Young, Carol Baroudi, 2003. Internet for Dummies. Wiley Publishing Ltd. Available athttp://books.google.co.uk/books?id=4o4XdzcJkVgC&printsec=frontcover&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false:  [11th February 2012]