When were Mary Ingalls' sister's books released?
Laura Ingalls Wilder Laura Ingalls Wilder ( ; February 7, 1867 – February 10, 1957) was an American writer known for the "Little House on the Prairie" series of children's books released from 1932 to 1943 which were based on her childhood in a settler and pioneer family.
Roberts Brothers (publishers) Messrs. Roberts Brothers (1857–1898) were bookbinders and publishers in 19th-century Boston, Massachusetts. Established in 1857 by Austin J. Roberts, John F. Roberts, and Lewis A. Roberts, the firm began publishing around the early 1860s. American authors included: Louisa May Alcott, Susan Coolidge, Maud Howe Elliott, Louise Imogen Guiney, Julia Ward Howe, Helen Hunt Jackson, Abigail May Alcott Nieriker. British and European authors included: Berthold Auerbach, Caroline Bauer, Mathilde Blind, Juliana Horatia Ewing, Anne Gilchrist, David Gray, Philip Gilbert Hamerton, Jean Ingelow, Vernon Lee, William Morris, Silvio Pellico, Adelaide Ristori, A. Mary F. Robinson, George Sand, Charlotte Mary Yonge, Helen Zimmern.