With Junie Cauldwell’s 16th birthday comes an unexpected gift—she’s a witch, one in a long line of women who either mastered their magic or succumbed to the power it offered.

Social outcast Junie has only ever found comfort in two things: her best friend Miles (who’s suddenly “friendlier” than ever), and Armistice Manor, a remote hotel run by her Aunt Melinda. Things are different at Armistice this visit however, and not just because Junie can now bring inanimate objects to life. Unusual gues...