num_pages: 219
description: Tom Swift's strange encounter with a visitor from outer space convinces top-level government authorities that Tom is involved in an espionage and smuggling ring, and they send operatives Frank and Joe Hardy to check him out. Original.
language: English
title: The Alien Factor
titlecomplete: The Alien Factor (Hardy Boys and Tom Swift Ultra Thriller, #2)
genres: Science Fiction
ratings_count: 51
series: Hardy Boys and Tom Swift Ultra Thriller
publisher: Simon Pulse