Mrs Jekyll by Emma Glass

Schoolteacher Rosy Winter is dying. Her husband Charlie offers all the relief he can. Rosy's sister-in-law, Sally, offers none. But Rosy feels something growing in her. A hard knot in her chest. Beyond the homeopathic remedies, the dinner party obligations, the snatched whispers on wards and in staffrooms, a force - murderous, feminine, feverish - is stirring within her...
Binding: Paperback / softback