Comment by bzalasky

Here's a sampling of some great books in the front-end space. I'd also suggest looking into Tuts+ (http://tutsplus.com/) or Codeschool (https://www.codeschool.com/).

- Dive Into HTML5 http://diveintohtml5.info/

- Scalable and Modular Architecture for CSS https://smacss.com/

- HTML5 and CSS3 (2nd edition): Level Up with Today's Web Technologies https://pragprog.com/book/bhh52e/html5-and-css3

- Programming JavaScript Applications http://chimera.labs.oreilly.com/books/1234000000262

- Building Backbone Plugins https://pragprog.com/book/d-dbback/building-backbone-plugins

- Automate with Grunt: The Build Tool for JavaScript https://pragprog.com/book/bhgrunt/automate-with-grunt

- The Offline Cookbook (recent article, but great stuff) http://jakearchibald.com/2014/offline-cookbook/