Rebecca Sophia Clarke (1833-1906), also known as Sophie May, was an American author of children's fiction. Using her nieces and nephews as inspiration, she wrote realistic stories about children. She wrote 45 books between 1860 and 1903. The most popular being the Little Prudy books. She lived most of her life in her native town of Norridgewock, Maine, where she lived out her life with her sister, who was also a successful author.