All Frontiers Are Jealous, published in 1937 in Five-Novels Magazine

“All Frontiers Are Jealous”
by L. Ron Hubbard

Publication date: June 1937

Original publication: Five-Novels Monthly

Genre: Historical Fiction

Story description: An American engineer surveying a railway route in Africa saves a beautiful woman from the fierce Dinkas, but then has to save his own life.

Currently available as part of the Stories from the Golden Age series, in the book All Frontiers Are Jealous.