Ranked in these QuestionsQuestion Ranking
Pro Explains the benefits of using Sass
It's not uncommon for designers to be skeptical of Sass at first. The author himself was reluctant convert. "Sass for Web Designers" does an amazing job of explaining the "why" behind Sass and how it can make the life of a designer much easier.
Pro Explains basic concepts in a clear way
Con Barely scratches the surface
"Sass For Web Designers" covers only the basics of Sass (such as mixins, variables and nesting), which for many designers may not justify the cost of the book.