Margins
Cosmic Sparks book cover 1
Cosmic Sparks book cover 2
Cosmic Sparks book cover 3
Cosmic Sparks
Series · 4 books · 2009-2012

Books in series

Alien Velocity book cover
#1

Alien Velocity

2009

EPIC Award Finalist 2011 - Best Science Fiction Charlie Thorpe-Campbell is the greatest RAM-runner the world has ever seen—and he knows it. On the verge of retirement from the sport, he is defending his title as champion of the annual orbital race one final time when he's suddenly hurtling away into deep space. Charlie's unscheduled voyage through a wormhole ends with a crash-landing on a most unusual planet, with scores of spacecraft from all corners of the universe in orbit. Seeking help, he heads toward what appears to be civilization, unaware of the horrors waiting for him there... Once inside the great, orb-covered city, Charlie is thrust into intergalactic competition by a bloodthirsty alien race. When he discovers he can use his unique abilities to save not only himself, but the entire galaxy, will he face up to the challenge—or run from it? Previously published as Charlie Runs Rings Around the Earth, newly revised by the author. 39,000 words
Sparks in Cosmic Dust book cover
#2

Sparks in Cosmic Dust

2011

The final frontier is shrinking. Interstellar Planetary Administration sanctions are forcing the border colonies of deep space into extinction. Kappa Max is one of the last major cutthroat outposts, home to the lawless and the lonely... Varinia Wilcox, the star attraction of a lucrative bordello gambling house. Solomon Bodine, spurned by his lover and looking for distraction. Clayton Barry, AWOL and a few drinks away from having to live in the gutter. Lyssa Foaloak, a double-crossing criminal who'll kill anyone for a few credits. Four strangers, each with secrets that could cost them their freedom, are desperate to get off-planet. They meet Grace Peters, a cynical ex-doctor with an intriguing a six-month trip to a faraway moon where she claims a stunning fortune awaits. But the mysteries of Zopyrus are as deep and ancient as its rich minerals. No one who ventures there is ever the same again. A combustible season of danger, passion, metaphysical secrets and madness awaits. Can they survive the mission, and each other, to make it out alive?
Cyber Sparks book cover
#3

Cyber Sparks

2012

Reality collides with a virtual awakening in this mind-bending cyber mystery.Allegra has it wealth, fame, the love of her life, and she’s a top model for Semprica Cosmetics. But that’s not enough, her friends keep telling her. Reality itself is so yesterday. The new headset on the market is the hottest-selling device in history. It’s called the omnipod, and it lets you play God. Augmented reality, manipulating all the senses at once, gives the wearer the power to remake the world around them.But when Allegra finally takes the plunge down the cyber rabbit hole, something unprecedented happens. Her omnipotence isn’t merely superficial – it awakens a new dimension in human-digital evolution. And no sooner has she begun to explore the awesome implications of her ability, when a mysterious voice interrupts her journey…He says she’s in danger, and that she must help him warn the public about the perils of the omnipod before it’s too late. But how does he know so much? He seems to have eyes everywhere, and chilling words she can’t escape. Then comes the if she doesn’t do his bidding, he has the power to destroy both her worlds.
Pyro Canyon book cover
#4

Pyro Canyon

2012

Two lost heroes from the past are the only hope for our future. The war of the border worlds is about to re-ignite. And it's Corporal Gus Trillion's job at the Propaganda Office to drum up recruits. But the people of the inner colonies have heard one too many false alarms. Disabled in battle and on the verge of burnout, Gus shares their indifference—until his reporter friend Lyssa Baltacha stumbles upon top secret satellite footage indicating that the treacherous Sheikers are planning an invasion on a scale never imagined. Now Gus and Lyssa must find a way to galvanize humanity to rise up against the enemy—before it's too late... Their plan hinges on the recruitment of two legendary fighter aces, "Cardie" and "Brink", to lead the counter-attack. But those heroes of Fifth Wing Squadron retired long ago, in their prime, and they've never told anyone why. It's a riddle Gus and Lyssa must solve if their plan has any hope of success. A highly classified riddle. The riddle of Pyro Canyon. Lock 'n load for one last thrilling, emotional flight to interstellar war and redemption.

Author

Robert Appleton
Robert Appleton
Author · 19 books

Robert Appleton is a British science fiction and adventure author partial to tales of survival in far-flung locations. Many of his sci-fi books share the same universe as his popular Alien Safari series, though tend to feature standalone storylines. His rebellious characters range from an orphaned grifter on Mars to a lone woman gate-crashing the war in her biotech suit. His sci-fi readers regularly earn enough frequent flyer miles to qualify for a cross-galaxy voyage of their choosing. His publishers include Harlequin Carina Press, and he also ghost-writes novels in other genres. In his free time he hikes, plays soccer, and kayaks whenever he can. The night sky is his inspiration. His work has been nominated for several awards, and in 2011 he won the EPIC Award for Best Historical Fiction. Be sure to follow Robert on BookBub for the latest on sales: https://bit.ly/3qLWVHu

548 Market St PMB 65688, San Francisco California 94104-5401 USA
© 2026 Paratext Inc. All rights reserved