Simplify the following text for a Grade 7 native English-speaking person.
Original: Laura Elizabeth Ingalls Wilder ( February 7 , 1867 â `` February 10 , 1957 ) was an American author who wrote the Little House series of books based on her childhood in a pioneer family .
Simplified: Laura Ingalls Wilder ( February 7 , 1867 - February 10 , 1957 ) was an American writer . She is widely known as the original author of Little House on the Prairie series of books .