"Schultz in 'The Dreadful River Cave, ' has presented another of his inimitable Indian stories. Having been adopted by the Blackfoot tribe and lived among them for years, he is well qualified to write." Oakland Tribune, Jan. 16, 1921
"The story of Black Elk, a young brave and his exciting adventures...Schultz is one of the last of the old frontiersmen and Indian fighters...joined a tribe of Blackfeet Indians and for years roamed with them over...