Space-Flight of Terror, by Ray Cummings (epub/Kindle/pdf)
$0.99
Intrigue and death, bringing an aftermath of terror, stalked the corridors of the Stardust . . . and Jon Allen, Interplanetary Patrolman guarding a secret shipment of Radiumite-27, had to fight the mutiny of a superstitious crew as well as the ray bolts of space pirates!