What do you mean by "the system"? That's pretty broad. If you mean the legal system, then I'd recommend <em>In the Courts of the Conquerer: The 10 Worst Indian Law Cases Ever Decided</em> (Fulcrum Publishing, 2012) by Walter Echo-Hawk (Pawnee).
This is one of the BEST Native books ever written-- just the footnotes tell the history of North America:In the Courts of the Conquerer: The 10 Worst Indian Law Cases Ever Decided
by Walter R Echo-Hawkhttps://www.amazon.com/Courts-Conquerer-Worst-Indian-Decided/dp/1555913849
THAT'S MY UNCLE!
Not by blood, but he's a longtime friend of my dad and has known me my entire life. So cool to see his work recognized here.
He's written a couple of books,
In the Courts of the Conqueror: The 10 Worst Indian Law Cases Ever Decided and