Many people have used the word graph at some point in their professional or personal lives. However, chances are that they did not use it in the way that we will be using it in this book. Most people--obviously not you, otherwise you probably would not have picked up this book--actually think about something very different when talking about a graph. They think about pie charts and bar charts. They think about graphics, not graphs.
In this book, we will be working with a completely different type of subject--the graphs that you might know from your math classes. I, for one, distinctly remember being taught the basics of discrete mathematics in one of my university classes, and I also remember ...
