Paul O'Brien, when he's not working, can usually be found handing out advice in the CSS Forums at SitePoint where he is an advisor. He works as a freelance Web Designer specializing in CSS layouts.
"Should you invest in a concise handling of the facts, features, and oddities of CSS? This book is an excellent resource to have at your fingertips as you design accessible Web sites and deserves a place on your bookshelf beside your dictionary and other favorite references."
--Louellen S. Coker, Technical Communication, Volume 56, Number 3, August 2009
"This book is a must for any web developer no matter which programming language you use to build your web sites. Combine it's sister book with this one and you really do have the ultimate web reference sitting at your fingertips. No more looking through obscure RFC's."
--Dr. Colin Brown, Amazon.com
"The typography is clear. The book is concise and clear with little wasted space or verbiage. The color scheme for highlighting the various sections is extremely easy to read and pleasant. "
--JR Peck, Slashdot.org