“The Bold Dare All” by L. Ron Hubbard
Publication date: February 1937
Original publication: Five-Novels Monthly
Genre: Action & Adventure
Story description: An undercover US Army Lieutenant, who is hot on the trial of his father’s killer, subjugates a sadistic taskmaster who is in charge of a slave labor camp.
Currently available as part of the Stories from the Golden Age series, in the book The Bold Dare All.