As you know, my current passion tech-wise is static site generators. I'm speaking on it Sunday at NCDevCon. My buddy Brian Rinaldi, another SSG fan, released a free e-book today on SSGs that you can download from O'Reilly right now:

Static Site Generators: Modern Tools for Static Website Development

I did a tech review on this book and it is a great introduction to SSGs. You can read it in about an hour, and it is well worth your time.