"A fitting finale for a gripping futurist series whose four multifaceted heroes offer a strong anti-war, pro-diversity message." -- Kirkus Reviews In this third and final adventure in the Above World series, Aluna and Hoku, Kampii from the City of Shifting Tides, Equian Dash, and winged Aviar Calli are determined to stop a war and finally face their most terrifying enemy, Karl Strand. The maniacal ex-scientist is planning to conquer the world with his enormous army of tech-enhanced soldiers . . . unless the four friends can get to him first.