Now that you've been through the process of making a DVD, Part 3 offers tips and hints on protecting your hard work and a handy reference (Chapter 9) with information on every single button, menu item, drawer, and pane iDVD offers, along with two appendixes which offer additional hardware and software you can throw your money at, and a somewhat geeky (and totally optional) explanation of what MPEG compression is and how it works.