Mysteries on a Moon Trek is a collection of three out-of-this-world mystery adventures featuring amateur sleuth and uniform lieutenant Sylvia Stryker by national bestselling author Diane Vallere.

MURDER ON A MOON TREK - book 1

Sylvia Stryker has no business being on the next Moon Unit Cruise Line, unless you count aspirations and dreams. The career that once felt within her reach—Intergalactic Cruise Ship Security—disappeared the day her dad was arrested for collusion with space pirates. Since then she's begrudgingly been running the ice mine for her aging mother, the two of them social pariahs amongst their fellow Plunians. Everything changes when the uniform lieutenant position on Moon Unit 6 opens up days before departure. Sylvia immediately puts her hacking skills to use, uploading bogus credentials onto the crew manifest. Now to just lay low, do her job, and impress the new boss.

Her plan goes off without a hitch until a non-celestial body falls from the uniform inventory closet after departure. Reporting it means drawing attention, the very opposite of laying low. When the head of security shows up to investigate and throws her into the spaceship holding cell, her onboard status shifts from staff to prisoner. If Sylvia can't expose the killer herself, she'll be bunking with her dad at the local space prison.

SCANDAL ON A MOON TREK - book 2

When Sylvia Stryker boards her space cruise as a lowly uniform lieutenant, it's with an eye toward the future. After space pirates destroyed the life she knew, she's counting on the trek to Venus to give her a fresh start. Even her side gig working for security stud Neptune feels full of possibilities. But when she finds a body outside her ward after the departure point, her fresh start is as sullied as a worn uniform. The victim is the winner of a contest designed to hype the voyage, and if other VIPs on board get wind of the crime, the certain scandal will jettison Sylvia's dreams.

Soon the amorous pull of Venus causes romantic chaos on board, threatening to compromise Sylvia's investigation—especially after she learns the murder victim's secret relationship to her boss. Even worse, she discovers what's waiting for the passengers when they reach the Love Planet and it's not a Valentine. A dangerous threat lurks aboard the space cruise, and if Sylvia can't expose it, she'll be laundering uniforms in the intergalactic afterlife.

HIJACKED ON A MOON TREK - book 3

Space sleuth Sylvia Stryker wants more from her day job aboard a Moon Unit than to manage crew uniforms. In her time between moon treks, she turns to hunky hero Neptune for lessons in security training. But when a hijacked space pod lands by their training site and the body of an intergalactic courier is discovered inside, Sylvia's newly-acquired skills are put to the test. The courier was a friend who shared her interest in back-channel business, and his death seems like a message—or worse, a warning.

The Sylvia Stryker Space Mysteries are perfect for readers who love space adventures, a STEM-savvy sleuth, and fair-play whodunits in unusual settings.

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