Night Train to Rigel

Frank Compton, a former intelligence operative, finds himself embroiled in a high-stakes thriller aboard the Quadrail, a galactic railroad connecting various empires. After a mysterious stranger's death delivers a dire message, Compton learns of a sinister plot that threatens the entire galaxy. Teaming up with Bayta, the Spiders' half-human representative, he must confront alien assassins and unravel a conspiracy before it's too late, as the clock ticks down to a catastrophic disaster for humanity.