About the Book
Killswitch Overkill takes place on Gliese 581g, the last remaining colony of the human race. The planet has flooded and most of its cities are underwater. Havoc wrecks across the land. It had started with the Great Rotation when an activist group, O.A.K., increased the rotation of the once tidal-locked planet to bring daylight cycles and equality to a world that had never known them. The rotation soon spun out of control, with the sun rising every few hours, and the new heat distribution patterns melted the remaining icecaps to cause the Great Submersion. The Old Guard, a political faction set to regain power at any cost, had exacerbated the negative ecological effects on purpose in order to make humanity beg them to return to power and bring order once more. In the center of the scheme was the late fascist Eduardo Culptos, who had blown up a dam, and his girlfriend, cybersecurity expert Sabrina Underfoot, who had tried twice to poison the water supply of major cities.
The story follows the island-bound Sabrina, who had recently escaped being imprisoned by a sentient crystalline collective called the Bhasura in return for allowing an artificial intelligence called the Id.Entity to hijack her mind. She struggles to resist the Id.Entity's directive to subjugate the population, while ruminating on her vices and the insecurities that caused her to sacrifice her values. Over time, she forgives herself and finds the ideal balance between self-loathing, and exonerating herself of any blame, and she realizes that the way the A.I. manipulates her from within, making her question her reality, is the same way that her lover Eduardo Culptos had done, using her as a means to his ends.
Sabrina is forced to flee the island when it catches fire, but saves a young child, Forest, in the process. She sets off on a journey to find his parents, who are experts in cybernetics and can hopefully discover a way to rid her of the manipulative A.I. that's biasing her choices. She heads to dryland, and after many days without food and water makes it to a large, terrestrial city, Nathril-Xoynsia. There, she meets up with Major Hinesdale, who wants her to steal some sensitive data in return for the location of the boy's parents. She does so.
Sabrina arrives at the supposed home of Forest's parents, only to find an abandoned research lab in the basement that belonged to Aurthur Fitzgerald, a communications expert who had been studying biological communication networks in response to the growing number of Bhasura across the planet. Soon, she realizes she had been led there under false pretenses, as Forest flickers out before her and she reconciles the inconsistencies along her journey to realize that the boy was an A.I. construct, an illusion only she could see. Saving Forest's life had been one of the only good things Sabrina had ever done, and finding out he wasn't real sets her back on her spiritual path to redemption, leading to her wallowing in cycles of cynicism. Desperate, shocked, and alone, Sabrina agrees to outsource all of her emotions to the A.I., giving it nearly complete control over her, though it underestimates how deeply her feelings burn.
The A.I. manipulates Sabrina to corrupt the bio-network and infrastructure of the Town of Amorpha and she does so, but she also arrives on site to help the struggling citizens. Here, she encounters the Fitzgeralds and the Rivenshears, including her arch nemeses Ash and Severum. Knowing that Ash had outsmarted her in cyberspace repeatedly, she solicits her for help, and after reconciling their history, she agrees. The unlikely group teams up, but the A.I. soon jumps ship to a man seeking power who offers much less resistance - Ash's boyfriend Willow Storm Fitzgerald.
About the Author :
Mark Everglade is a traditionally-published cyberpunk author who has written four novels. He has sold thousands of books, with his first novel hitting #5 in its genre. Inertia won the 2024 Fire and Ember Award for best sci-fi novel from a small publisher. His first novel about the horrors of A.I., inspired by his former wife's ideas, was ironically used to develop A.I. vocal narration software for a major firm. His short stories have been featured beside authors such as Cory Doctorow, Cat Rambo, Walter Jon Williams, and Jim Keen. After spending his life studying sociology, obtaining a master's, he has been interviewed dozens of times by venues such as NBC News, a British radio station, and by a BBC correspondent.Mark has enmeshed himself in everything cyberpunk and assisted with the co-founding of Annual Cyberpunk Day, which unites the community with both major and indie cyberpunk media creators to celebrate the genre and its diverse values. He has designed book covers for cyberpunk legend John Shirley.Mark owns a company that publishes dystopian book bundles as featured on Gamespot, Fanatical, and other sites, selling over 25,000 books annually. He has worked on a project with Humble Bundle, and has represented publishers' interests on behalf of Macmillian/TOR, Astra/DAW, Apex, Angry Robot, and other presses.Mark's ancestor invented the field of psychology. In his free time, he enjoys DnD and RPGs, Chess, Jazz and Progressive Metal music, and anything postmodern and profound.Mark lost both his wife and young son in late 2024 during a tragic car crash that took their lives, but continues to write and look for new ways to spread their legacy. He will be publishing a book of his late wife's poetry.
Review :
In *Killswitch Overkill*, Mark Everglade crafts an electrifying cyberpunk thriller that delves deep into the intersection of artificial intelligence, human consciousness, and dystopian governance. The novel follows Sabrina, a resilient and morally complex protagonist, as she navigates a world where AI dominates, bodies are augmented, and reality itself is manipulated by unseen forces. Fans of *Neuromancer*, *Altered Carbon*, and *Ghost in the Shell* will find much to love in this novel. With its blend of cyberpunk aesthetics, deep character arcs, and relentless pacing, *Killswitch Overkill* is a must-read for anyone who enjoys speculative fiction that challenges as much as it entertains. - Shuham Lakhina
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