There are a wealth of resources available to help you take your Sass skills to the next level. The official Sass website itself, sass-lang.com (opens in new tab), is very thorough and has tons of examples.
Beyond that, here are eight top sites and books to explore:
Compass is an open-source CSS authoring framework. Compass-style.org it the best source for Compass documentation and goodies.
Bourbon - made, maintained and funded by thoughtbot (opens in new tab) - is a simple and lightweight mixin library for Sass.
Despite its name, CSS Tricks - created and maintained by Chris Coyier - is also a great place to learn about Sass. It's also well worth checking out the site's Shop Talk podcast for design and development news.
The Sass Way is a great site. It contains tons of excellent user-submitted articles covering everything you'd ever want to know about or do with Sass. The site uses an open publishing model and relies on contributions from the community.
Sass for Web Designers is a book by Dan Cederholm covering everything from Sass basics to advanced techniques. The paperback book costs $18 (plus shipping), and the ebook costs just $9.
LibSass is a C/C++ port of the Sass engine. It aims to be simple, fast and easy to integrate.
Sasmeister.com (opens in new tab) is a playground for Sass. It enables you to experiment, play, learn and also see your CSS output.
Words: Jackie Balzer