Dr. Matthew Fletcher of the Michigan State University College of Law has recently put together a new case book on Indian Law: Link
The first legal casebook dedicated entirely to tribal law is the fruit of seven years of work by Dr. Matthew L.M. Fletcher, an associate professor of law and director of the Indigenous Law and Policy Center at Michigan State University College of Law. American Indian Tribal Law, recently published by Aspen, is an 864-page volume that traces the development of tribal justice systems from the pre-contact era, through colonization, and into the modern age of self-government. It describes modern tribal government activities, explores how American Indian nations resolve disputes, and surveys more than 300 tribal courts nationwide.