The Cost of a Mistake is a novel written by Sarah Pitt and published in 1887. The story revolves around the lives of two sisters, Alice and Edith, who are forced to leave their home in the countryside and move to London after their father's death. In the city, they struggle to make ends meet and find work to support themselves. Alice, the elder sister, is hardworking and determined to provide for her family. She finds a job as a governess in a wealthy...