Mr. McNicholas is the author of "Maritime Security: An Introduction", (McNicholas, 2008, Elsevier, Inc./Butterworth-Heinemann), "Maritime Security: An Introduction" 2nd Edition, (McNicholas, 2016, Elsevier, Inc./Butterworth-Heinemann) and Chapter 13 (Port Security) of the book entitled "Port Engineering: Planning, Construction, Maintenance, and Security" (Tsinker, Gregory, 2004, Wiley and Sons, Inc.,).