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Triploidy

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When their baby is born with a genetic defect caused by an extraterrestrial intelligence, new parents must fight to save their child—and humanity.


A medical mystery . . . and a threat from beyond the stars.


For Jon and Marianna Knox, the birth of their daughter Persephone marks the happiest day of their lives. Until they learn that Persey is suffering from a rare but fatal condition called "triploidy."


Her doctors are baffled, and with good reason—because the source of the little girl's...