The Cuckoo's Child — Marjorie Eccles

A gripping historical mystery, set in the north of England
Yorkshire, 1909. When Laura Harcourt accepts a position in Wainthrope, home to a prosperous wool mill and its respected owner, Ainsley Beaumont, she does not dream that it will change her life forever. But she arrives to find the Beaumont family still torn apart by the death of Theo, Ainsley's son, in a disastrous fire twenty years ago; and the Beaumonts have secrets--secrets that DI Charlie Womersely, investigating a body found floating in the mill dam, must uncover if he is to find the truth...