From Amazon's Page, "Running a spotlight is harder than it looks. To do it well, you need tounderstand how the light and its controls work, you need some training,and you need some practice. Spotlight Operators Handbook

Unfortunately, for many people, your firstexposure to operating a spotlight is getting handed a pile of color anddirections to the spot booth or catwalk one day when people are short,and maybe, if you’re lucky, getting a quick rundown on the controlsfrom someone in a hurry to get to their own place before the showstarts.This book is an attempt to give you the information that, in at least myopinion, every good spotlight operator should know. It isn’t really asubstitute for hands-on training and experience, but it’s a start.