The poison thread

Dorothea Truelove is young, wealthy and beautiful. Ruth Butterham is young, poor and awaiting trial for murder.When Dorothea's charitable work leads her to Oakgate Prison, she is delighted with the chance to explore her fascination with phrenology and test her hypothesis that the shape of a person's skull can cast a light on their darkest crimes. But when she meets teenage seamstress Ruth, she is faced with another theory: that it is possible to...