Responsive design and Drupal are both on the way up and Drupal has a reputation for being somewhat more difficult to theme than other CMS'es. This book aims to ease that pain, specifically in the area of making your sites responsive, by guiding the user through the process and examining the most popular approaches.
The book takes a real world approach to the problem by guiding the reader through the process of making a real, concrete Drupal site responsive,and examines the different options for doing so along the way.