The John Tall Wolf Series by Joseph Flynn
Tall Man in Ray-Bans [A John Tall Wolf Novel #1]
War Party [A John Tall Wolf Novel #2]
Super Chief [A John Tall Wolf Novel #3]
Smoke Signals [A John Tall Wolf Novel #4]
Big Medicine [A John Tall Wolf Novel #5]
Powwow in Paris [A John Tall Wolf Novel #6]