Explore "The Incomplete Theft" by Randall Garrett on Textopian. Read with annotations and highlights.
Stealing a new space ship principle from Earth seemed like an easy enough task for the alien. But how does one deliver a principle?
Torlyn Khy smiled grimly to himself as he thought of the approaching completion of the new Earth spaceship. Thus far, his disguise had completely fooled the Earthmen; they didn't even begin to suspect that a Valdorian spy was among the engineers who were building the _Skyjumper_.