Head First HTML with XHTML and CSS, First Edition (2006).
Published by O'Reilly. List Price $34.95
Tom Negrino and Dori Smith
Peachpit Press, Copyright 2007
List Price: $24.99
This new edition JUST came out, and is MUCH better than the 5th edition—in particular, it is updated for Firefox, and AJAX applications such as Google Maps. The introduction of core topics such as "loops" is much clearer than in previous editions.