Space Platform by Murray Leinster

Reach for the Stars: We now accept space travel as a reality, but what of a city in space, built on an ever suspended platform? When young Joe Kenmore came to the little desert town of Bootstrap to install pilot gyros in the top secret Space Platform project he hadn't bargained on sabotage or murder or love. But Joe soon learned that ruthless agents were determined to wreck the project.

You can view more about this title at the CruGuru website. It is available from Amazon.com. ISBN: 978-1-920265-22-9