I don't have my book on me but this seems similar to the one I used before:
Memphis Rub
2 tablespoons garlic powder
2 tablespoons onion powder
2 tablespoons black pepper
1 tablespoons salt
2 tablespoons chili powder
2 tablespoons cumin powder
2 tablespoons brown sugar
3 to 4 tablespoons paprika
2 teaspoons cayenne pepper
Rub seasoning using 1-2 tablespoons per slab of ribs. I use more because I like them hot. Put on grill in single layer away from direct heat source. cook slowly for 1 1/2 to 2 hours on low heat. After cooking I wrap the ribs in foil and let them rest for 30 min. this makes for very tender ribs. This seasoning mixture will keep in sealed jar in the refrigerator.
I found this at:
http://southernfood.about.com/library/r ... 30418a.htm