If you're looking for convenience and practicality, this is the book for you.  Not only is it small enough to fit in your shirt pocket, it also includes all the most frequently referenced OSHA Construction regulations.  This little book is a must on the job site and makes it simpler to communicate with all the workers on the job site-- written in English on one side and when flipped over it is in Spanish with the paragraphs numbered exactly the same way.