Complex sentence: Megan Jo McDonald (born February 28,1959) is an American children's literature author; her most popular works is the series of books which concern a third grade girl named Judy Moody (written for grades 2--4).
Split into simpler sentences: Megan Jo McDonald (born February 28,1959) is an American children's literature author. Her most popular works is the series of books which concern a third grade girl named Judy Moody (written for grades 2--4).