Rolling Elbow,
Jerry can certainly give you a more qualified response, but from having seen both the book and video by that name, I would qualify it as good to excellent material, especially for the beginner to intermediate level martial artist. One of Bob's strengths is communicating the "why's" of what he's doing in simple straightforward terms that appeal to common sense. A lot of what I saw was very similar to material I know from Baguazhang and Kali, and I found his teaching style to be very "user friendly", especially to the Western mind.
For my money, the SE Asian arts are some of the most combat-viable and eminently practical systems of combat to be found anywhere. There's not a lot of pretense, irrelevant formality or decorative ceremonial ritual. The learning curves are among the shortest of any martial arts, being designed such that what you learn today, you can use on the way home.
As I said before, Jerry can give you a better take on Bob Orlando specifically, but I would have no reservations in giving my recommendation to someone considering studying Kuntao or Pentjak Silat. Really good stuff.