Drupal

Useful links
Getting started with Drupal from IBM This REALLY explains how Drupal Works, use the Node-building sequence when implementing your hooks.
Drupal handbooks Module developer's guide   Views documentation Views 2 APIs Documentation on Views Integration and here - PHP Snippets - Contributed Modules - Contributed Modules API - 6x Core Hooks Cheat Sheet - CCK Group - Search Options - Core templates and suggestions (naming)
Contribute to documentation Help other users 

If you install the advanced_help module the index is in admin/advanced_help/  The admin menu has it's own top level entry

Drupal Player's Websites
Raincity Studios - Poplar - Aquia - Lullabot - 11 Heavens - Group 42