Found 3 books

Beginning CSS Preprocessors · With SASS, Compass.js and Less.js

[en] Beginning CSS Preprocessors · With SASS, Compass.js and Less.js Apress

Prabhu, Anirudh

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CSS Framework Alternatives · Explore Five Lightweight Alternatives to Bootstrap and Foundation With Project Examples

[en] CSS Framework Alternatives · Explore Five Lightweight Alternatives to Bootstrap and Foundation With Project Examples Apress

Shenoy, Aravind & Prabhu, Anirudh

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Beginning CSS Preprocessors

[en] Beginning CSS Preprocessors Apress

Prabhu, Anirudh

download read it!