3 ms·I believe it’s the same content in book form.by guu 7y agoI believe it’s the same content in book form.DannyB2 7y agoIf it is the same content, then the advantage is that you don't have to give an email address in order to get it for 'free'._bear 7y agoI can read it off-line whilst I'm travelling on the subway/ underground / tube