Ian Stewart who is the creator of the Thematic theme framework is currently in the process of putting together a series which explains how to cut theme development time, easier theme modifications, and the power of child themes. The first two parts of this guide are already online and covers child theme basics and modular CSS in child themes. Ian plans on covering the following topics in the future:
- Using Filter Hooks in WordPress Child Themes
- Using Action Hooks in WordPress Child Themes
- Creating WordPress Child Themes
- Publicly Releasing WordPress Child Themes
Although this guide ends up using Thematic as the prime example, you should be able to pick up a few tips and tricks to implement if you’re not using Thematic.