well explained and definitely focused on being respectful to and about indigenous histories. i appreciated the author, a self-described "anthropological geneticist", using so much cultural and biological anthro theory thru this in a way that is accessible without being alienating for non science and non anthro folks. there were moments that were repetitive but overall the prevalent theme of respect for present day peoples in relation to the ancient people who were subjects of study was a delicate balance and achieved well.