Complex sentence: Based on the Frances Hodgeson Burnett novel, "The Secret Garden", Norman wrote the book and lyrics for the musical version and won the Tony Award for Best Book in 1991.
Split into simpler sentences: Based on the Frances Hodgeson Burnett novel, "The Secret Garden", Norman wrote the book and lyrics for a musical version of the same. For this, she won the Tony Award for Best Book in 1991.