The Migration by Helen Marshall (Good, 2019, Pbk, 293 pages, Random House)

In good condition. ISBN 9780735272620

Storms and flooding are worsening around the world, and a mysterious immune disorder has begun to afflict the young. Sophie Perella is about to begin her senior year of high school in Toronto when her little sister, Kira, is diagnosed. Their parents' marriage falters under the strain, and Sophie's mother takes the girls to Oxford, England, to live with their Aunt Irene.

An Oxford University professor and historical epidemiologist obsessed with relics of the Black Death, Irene works with a Centre that specializes in treating people with the illness. She is a friend to Sophie, and offers a window into a strange and ancient history of human plague and recovery. Sophie just wants to understand what's happening now; but as mortality rates climb, and reports emerge of bodily tremors in the deceased, it becomes clear there is nothing normal about this condition. When Kira succumbs, Sophie faces an unimaginable choice: let go of the sister she knows, or take action to embrace something terrifying and new.

Tender and chilling, unsettling and hopeful, The Migration is a story of a young woman's dawning awareness of mortality and the power of the human heart to thrive in cataclysmic circumstances.