9 Best HTML/CSS Books for Beginners and Advanced Coders 

1. "HTML and CSS: Design and Build Websites" by Jon Duckett - A beginner-friendly book that covers HTML and CSS fundamentals.

2."CSS Secrets: Better Solutions to Everyday Web Design Problems" by Lea Verou - An advanced book that delves into CSS tricks and techniques.

3. "Learning Web Design: A Beginner's Guide to HTML, CSS, JavaScript, and Web Graphics" by Jennifer Niederst Robbins

4. "HTML5 and CSS3 All-in-One For Dummies" by Andy Harris and Chris McCulloh - A complete reference for HTML5 and CSS3, ideal for beginners.

5. "CSS: The Definitive Guide" by Eric Meyer - An in-depth guide to CSS, covering both basic and advanced topics.

6. "Responsive Web Design with HTML5 and CSS3" by Ben Frain - A book that teaches responsive web design, a critical skill in today's mobile-first world.

7. "HTML and CSS: Visual QuickStart Guide" by Elizabeth Castro and Bruce Hyslop - A fast-paced guide that covers HTML and CSS basics.

8. "CSS Mastery: Advanced Web Standards Solutions" by Andy Budd - An advanced book that focuses on mastering CSS for professional web design.

9. "Beginning HTML and CSS" by Rob Larsen - A beginner-friendly guide that covers the basics of HTML and CSS with easy-to-understand examples.