Francesca Lia Block (born January 3, 1962 in Los Angeles, California) is the writer of many books for teenagers. She is best known for the Weetzie Bat series of books. Block wrote her first book, "Weetzie Bat", while she was a student at UC Berkeley. Harper Collins published it in 1989. She is known for her use of imagery, or ability to paint pictures with words. This is best seen in describing the city of Los Angeles.