ROR books seem to be out of date

You can following this book http://ruby.railstutorial.org/ruby-on-rails-tutorial-book
I am on chapter 7 now. Everything seems good. I am using Rails 3.2.8 and Ruby 1.9.3

I did have problems with Rails 3 in action, on chapter 8. Couldn’t get scope to work. Either that or rspec didn’t work. Here is my post:
http://www.manning-sandbox.com/thread.jspa?threadID=51847&tstart=0