Alex Green is a young girl in a world much like ours. But this version of 1950s America is characterized by a significant event: the Mass Dragoning of 1955, when hundreds of thousands of ordinary wives and mothers sprouted wings, scales, and talons, left a trail of fiery destruction in their path, and took to the skies. Was it their choice? What will become of those left behind? Why did Alex's beloved Aunt Marla transform but her mother did not?