Alan:
I am suspicious that you may be confusing "projects" with "produced" videos, which I think is what James was suggesting to you.
One route, which I think is what he was suggesting, is to produce each of your twelve projects in the desired format. Then create a new project, go to Create Disc and add each of your produced videos in that module. You should then get the results that you desire, IF I am guessing correctly.
This avoids having to repeat your edits. To my knowledge, and I concede it is limited, merging projects on the timeline is not feasible because when you open a new project, it replaces the existing project file. You could burn everything from a single project, but you would have to repeat your edits for eleven of the twelve projects and arrange them as you wanted them. Then you could burn directly from that one "merged" project. If I have missed the boat, don't hesitate to straighten me out.
Hope this helps. Have a great day.
Regards,
-Phil
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