Rails Deep Dive
This book started life simply, as a series of blog posts right here on Rubysource.com. But with the help of SitePoint, we’ve packaged it into a handy 146 page ebook.
This book will guide you in creating a Rails application. It will focus on setting your system up properly (for those systems that support it) and will fly a little lower than the typical 50,000 foot level of many tutorials.