2 dvds to 1 ratdvd

hi@all

i want ask, its possible to make out of 2 dvds one ratdvd? i got from a friend 2dvds for one video!! he made it with davideo and i want now have one file for this one video! so i want to ask its possible to do that with ratDVD?

can i take the dvd files all in one and do it in ratdvd`?

i hope you can help me i want enjoy :stuck_out_tongue:

phoenix