Programmer's guide to Drupal (First edition.)

When experienced web programmers start working with the Drupal content management system, the instincts and knowledge that have served them well in creating stand-alone web software can get in the way of learning how best to use the Drupal framework.

This work will help programmers get past this obstacle, and make the transition from fighting with Drupal to taking advantage of the powerful Drupal APIs that are available for skillful programmers to use.