Horizon Protocol
Null Sequence (Variant Wars, Book 1)
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3 Months Free
Horizon Protocol
Buy Now for £9.63
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Narrated by:
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Sean Letourneau
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By:
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Callum Brown
They promised a cure. What they meant was control.
Lena Vale thought she was doing the right thing—signing up for the Horizon Protocol to rid herself of the abilities that made her dangerous. Instead, she wakes in a facility built to dissect the Variant gene. Her power isn’t being removed—it’s being mapped, copied, and stored.
Ethan Vale, her estranged brother, has spent years suppressing his own gift. But when Lena disappears, he’s forced to confront the truth about Horizon—and the past he’s tried to forget.
As their powers resurface, and their connection deepens, they uncover a terrifying plan: Horizon isn’t curing Variants… it’s harvesting them.
Horizon Protocol is the explosive first entry in The Variant Wars trilogy—where identity is weaponized, memories are currency, and evolution has a cost.
©2025 Callum Brown (P)2025 Callum Brown