If you’re eager to learn how to use all the new features in Rails 2.1, Carlos Brando just released a free book titled Ruby on Rails 2.1, What’s New?. You can download the PDF in its original Portuguese, or its very recent English translation. This 120 page book covers everything you need to know about Rails 2.1 with many step by step examples.

You might also know Carlos Brando from the Ruby on Rails Podcast Brazil he does with Fabio Akita. If you’re a Rails developer and you speak Portuguese, definitely check out their podcast.