The Hexologists, Iz and Warren Wilby, are quite accustomed to helping desperate clients with the bugbears of city life. Aided by hexes and a bag of charmed relics, the Wilbies have recovered children abducted by chimney-wraiths, removed infestations of barb-nosed incubi, and ventured into the Gray Plains of the Unmade to soothe a troubled ghost. Well-acquainted with the weird, they never shy away from a challenging case.

Sen Anon is assigned to be a witness for the Department of Transition, recording the changes in the environment as the world begins to rewild. Abandoned by her mother in a cabin somewhere in upstate New York, Sen will observe the monumental ecological shift known as the Great Transition, the final step in Project Afterworld. Around her drones buzz, cameras watch, microphones listen, digitizing her every move. Privately she keeps a journal of her observations, which are then uploaded and saved, joining the rest of humanity on Maia, a new virtual home.

In the lands of Bethel, where the Prophet's word is law, Immanuelle Moore's very existence is blasphemy. Her mother's union with an outsider of a different race cast her once-proud family into disgrace, so Immanuelle does her best to worship the Father, follow Holy Protocol, and lead a life of submission, devotion, and absolute conformity, like all the other women in the settlement. But a mishap lures her into the forbidden Darkwood surrounding Bethel, where the first prophet once chased and killed four powerful witches.

The unicorn lived in a lilac wood, and she lived all alone...so she ventured out from the safety of the enchanted forest on a quest for others of her kind. Joined along the way by the bumbling magician Schmendrick and the indomitable Molly Grue, the unicorn learns all about the joys and sorrows of life and love before meeting her destiny in the castle of a despondent monarch—and confronting the creature that would drive her kind to extinction....

All magic comes with a price, though, and for years the sisters have been separated. Esther has fled to a remote base in Antarctica to escape the fate that killed her own mother, and Joanna’s isolated herself in their family home in Vermont, devoting her life to the study of these cherished volumes. But after their father dies suddenly while reading a book Joanna has never seen before, the sisters must reunite to preserve their family legacy.