Alameda Free Library First Chapter Friday: Eagle Drums

As his family prepares for winter, a young, skilled hunter must travel up the mountain to collect obsidian for knapping―the same mountain where his two older brothers died. When he reaches the mountaintop, he is immediately confronted by a terrifying eagle god named Savik. Savik gives the boy a choice: follow me or die like your brothers.
Eagle Drums, by Nasugraq Rainey Hopson. Published by Roaring Brook Press.