HandBrake

Hey does anyone know how to combine movies that come on two discs or get ripped in two parts
Like for example how do i combine the two parts of LOTR-Fellowship of the Ring (extended)
Thanks

Before you get hammered for not searching look at the thread below. They even use LOTR as the example.

http://forum.handbrake.fr/viewtopic.php?f=5&t=2937

Searching produces the answers 90% of the time around here when it comes to specific titles / problems...