In Gene.sys, Magigate Returns, the final book of the award-winning Glide trilogy, genius inventor Captain Magigate returns from the past only to find the world he left in the clutches of a deadly plague. But the contagion's creator Dr. Janot, Magigate's former colleague, has grander plans that threaten the long arc of civilization and may even alter the rules of evolution. The Captain must employ all his genius and forge an unlikely alliance with the Prophet to stop Janot and save his friends. But is he willing to pay the price necessary to restore equilibrium to his promising but fragile Glide era?