Question: What was the name of the book written by Hilda Neihardt's father that was based on the second cousin of the war chief Crazy Horse?
Sentence (from "Little Hawk"): Little Hawk (Lakota: Čhetáŋ Čík’ala) (1836–1899) was an Oglala Lakota war chief and a half-brother of Worm, father of Crazy Horse (Lakota: Tashunka-witko).
Relevant evidence: No