Anna Sewell in Old Catton, Sewell wrote the manuscript of "Black Beauty" – in the period between 1871 and 1877. During this time her health was declining; she was often so weak that she was confined to her bed. Writing was a challenge. She dictated the text to her mother and from 1876 began to write on slips of paper which her mother then transcribed. Although the book is now considered a children's classic, Sewell originally wrote it for those who worked with horses. She said "a special aim was to induce kindness, sympathy, and an understanding treatment of horses". In many
Anna Sewell contributed to her love of horses and concern for the humane treatment of animals. In 1836, Sewell's father took a job in Brighton, in the hope that the climate there would help to cure her. At about the same time, both Sewell and her mother left the Society of Friends to join the Church of England, though both remained active in evangelical circles. Her mother expressed her religious faith most noticeably by authoring a series of evangelical children's books, which Sewell helped to edit, though all the Sewells, and Mary Sewell's family, the Wrights, engaged in many other good works.