Estos libros fueron los mejores recomendados para aprender html/xhtml en el 2009.

HTML, XHTML, and CSS, Sixth Edition (Visual Quickstart Guide)

Head First HTML with CSS & XHTML

Build Your Own Web Site The Right Way Using HTML & CSS

HTML, XHTML, and CSS All-in-One Desk Reference For Dummies (For Dummies (Computer/Tech))

The Ultimate HTML Reference

HTML and XHTML Pocket Reference (Pocket Reference (O’Reilly))

HTML A Beginner’s Guide (Beginner’s Guide (Osborne Mcgraw Hill))

HTML & XHTML: The Complete Reference (Osborne Complete Reference Series)

Creating a Web Page with HTML: Visual QuickProject Guide