CSS Cookbook
- By Christopher Schmitt. Contains detailed examples and CSS code snippets. Description, errata, and online purchase.
- http://www.oreilly.com/catalog/cssckbk/

HTML Utopia: Designing Without Tables Using CSS
- Describes how to use CSS instead of tables for layout. First 4 chapters available as a download in PDF Format.
- http://www.sitepoint.com/books/css2/

Cascading Style Sheets - Designing for the Web [First edition]
- By the authors of CSS1.
- http://www.awprofessional.com/bookstore/product.asp?isbn=020141998X&rl=1

Eric Meyer on CSS
- Companion website, with code downloads, and ordering information. Published by New Riders.
- http://www.ericmeyeroncss.com/

Learning CSS: Books
- List of books on CSS from the W3C's CSS page.
- http://www.w3.org/Style/CSS/learning#books

CSS Pocket Reference
- Introduces CSS and lists all CSS1 properties, plus the CSS1 pseudo-elements and pseudo-classes.
- http://www.oreilly.com/catalog/csspr/

Cascading Style Sheets:The Definitive Guide
- By Eric Meyer.
- http://www.oreilly.com/catalog/css/

Cascading Style Sheets (CSS) By Example
- Uses a fast approach to make CSS accessible to everyone.
- http://www.callihan.com/cssbook/