1) British novella 
Heartstones is a novella by British author Ruth Rendell, published in 1987. It was also published by Longman in a special educational edition in 1990. == Plot summary== In a college town, two schoolgirls live with their widowed father Luke, a gentle well-educated man, meticulous and orderly. Elvira and Spinny are watchful, however, for Luke plans ...