That's a great question. Based on the feedback from some early beta screencast reviewers who had also read the book, I think you'll find the screencasts to be a

That's a great question. Based on the feedback from some early beta screencast reviewers who had also read the book, I think you'll find the screencasts to be a valuable complement. To find out for sure, I recommend downloading the full sample screencast here: http://railstutorial.org/samples?file=rails_tutorial_lesson_08.zip http://railstutorial.org/samples?file=rails_tutorial_lesson_... If you find yourself learning something new compared to just reading Chapter 8, then you can be confident that (for you) the screencasts will add value over the book alone.