Mato Niyanpi is called upon by his relatives, and Creator, to perform an act of commitment and courage. Tunkasila (Grandfather) has a face-to-face confrontation with Custer on Last Stand Hill at the Battle of the Greasy Grass at the Little Bighorn in Montana on June 25, 1876. Mato Niyanpi is the proud Lakota warrior who killed Lt. Col. George A. Custer. In the taking of his human presence from Unci Maka (Grandmother Earth) Mato Niyanpi became, and continues to be, the Spirit Keeper of Custer. Creator called for this union for our future together as human beings, living in peace, unity, tolerance and love. ---- " Warrior Is” (2017) by Harley L. Zephier and Robin L. Zephier.
This book was written by my brother-in-laws. This book explains more about the Lakota culture than you will find in any library in addition to its telling of the Battle of Little bighorn.