ete overview of graph theory and methods—at least not without the printer running out of ink. There are many, many elements of graph theory and methodology that are not covered in this book. My focus has been primarily on teaching the most critical elements for those who will use graphs in a sociological, psychological or organizational context. This book will improve over time, so if you feel I have missed anything very important, or if you spot errors or have any other suggestions, please do get in touc