Guys, I bought this book to try to find some more in depth information about the tribe we are possibly going to interact with however it turns out there are many different tribes in the area and different clans within these, these are the ones mentioned in the book that live in proximity of lake Rudolf (the british name for lake turkana)
http://en.wikipedia.org/wiki/Turkana_people
http://en.wikipedia.org/wiki/Rendille_people
http://goafrica.about.com/library/bl.samburu.htm