I don't know of any particularly useful books on cigar rolling. Have a look at the cigars section of the WLT WIKI:
Welcome to the ultimate wiki for all things tobacco. Explore guides, tips, and resources to enhance your tobacco experience and knowledge. Learn more.
wholeleaftobacco.com
There are also a number of specific cigar-rolling topics in the Cigar Forum section of our Index of Key Forum Threads, linked in the menu bar.
Bob