A new edition of The Hollywood Standard was just released, and I encourage you all to check it out. No one will take you seriously until you have mastered script format. I maintain that the best way to soak it in is to read as many professional scripts as you can get your hands on (and if you don't work in the industry or have friends who do, there are some great sites with real scripts like Pilot School and Simply Scripts). Still, every now and then you'll come across a unique formatting dilemma and you'll need a guidebook. The Hollywood Standard is your book!