Natural Reef Aquariums is geared towards those interested in starting their own saltwater reef tank. Starting a reef tank can be a very expensive ordeal and even more expensive if you don't know what you're doing. I really liked how Mr. Tullock stresses the simplified approaches to keeping a reef tank and how he explains that you don't always need the latest and greatest technology to successfully run one of these tanks. The author does a great job of making some possibly very dry topics into extremely interesting reads. Sprinkled throughout the text are little anecdotes of his coming up in the marine retail trade that you'll find interesting. It provides some insight into the thought process behind some of his recommendations and advice. Natural Reef Aquariums is not a quick read and for a topic of this nature, you don't want it to be. There are just too many topics to cover in the reef hobby. This book provides plenty of details on nearly every topic that a reef keeper needs to know about.