Burrowed by Mary Baader Kaley

If you had to endure a debilitating condition of body or mind, which would you choose? In this world, everyone suffers.



In the far-future aftermath of a genetic plague that separated human society into two different groups—sickly yet super-intelligent Subterraneans and healthy but weak-minded Omniterraneans—a brilliant Subter girl is tasked with fixing the broken genetic code to reunite the two groups in the next generation.



But when a newer plague turns fatal for the surface-dwelling Omnits, the only group able to reproduce (giving birth to both Subter and Omnit children), Zuzan must find a cure or humanity won't simply remain divided, it will become extinct.



But there's more conflict at hand than a broken genetic code. The fragile connection between Subters and Omnits has frayed to the point of breaking—to the point of war—and it will take more than genius to repair; it will take heart.



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