The Contraband Crate, published in 1935 in Sky Birds

“The Contraband Crate” also published as “Boomerang Bomber” by L. Ron Hubbard

Publication date: August 1935

Original publication: Sky Birds

Genre: Historical Fiction

Story description: An American pilot, charged with the delivery of a bomber to Shanghai, unwittingly becomes a part of US intelligence operation that almost costs him his life.

Currently available as part of the Stories from the Golden Age series, in the title Sky-Crasher.