Tutorials

Dave Raggett's Intro

Dave Raggett's Advanced HTML

W3 schools

FreeWebMasterHelp

CSS tutorial

Reference material

complete list of html codes

top XHTML reference pages

Some books

A Balanced Introduction to Computer Science
      by David Reed ISBN 978-0-13-601722-6

Adapting to Web Standards: CSS and Ajax for Big Sites
      by Christopher Schmitt et al ISBN 978-0-321-50182-0

Head First HTML with CSS & XHTML
      by ELizabeth Freeman and Eric Freeman ISBN 978-0596101978

Design and Layout

maxdesign - design tutorials