HTML 4

From Amazon.com:
HTML 4 Unleashed, Second Edition is the definitive reference and guide to HTML, covering the final HTML 4 specification, the latest developments in closely related technologies like XML, Cascading Style Sheets, and Dynamic HTML, as well as the implementation of HTML, CSS, and XML in the latest generation of Web browsers from both Microsoft and Netscape. HTML 4 Unleashed, Second Edition assumes the reader already has a familiarity with the basic concepts of HTML and Web publishing, allowing the authors to focus on the advanced techniques and technologies that help professional-level developers create sophisticated Web sites.