This page-turner for young adults is set in an American high school with a difference. St Joan’s Academy is a Catholic, private, single-sex, academically selective institution which just happens to be in the town that was once Salem village.Colleen is in her final year and, like all her friends, waiting for college acceptance letters. A mysterious illness strikes the school: girls begin to fit, lose their hair or the use of their legs. The illness gathers momentum and nobody can find the cause, despite the despairing fury of parents who have invested dollars and huge effort into their daughters’ education.Interspersed with this contemporary story are scenes from over 300 years ago, when a group of similar-aged girls convinced the men running Salem that they had been bewitched;