Complex sentence: The First Four Years, the ninth book in the Little House on the Prairie series, was written by Laura Ingalls Wilder and found in Rose Wilder Lane's (Laura's daughter) belongings upon her death in 1968.
Split into simpler sentences: The First Four Years is the ninth book in the Little House on the Prairie series. It was written by Laura Ingalls Wilder and found in Rose Wilder Lane's (Laura's daughter) belongings upon her death in 1968.