Simplify the following text for a Grade 7 native English-speaking person.
Original: Francesca Lia Block ( born December 3 , 1962 ) is the author of many young adult books , most famously the Weetzie Bat series .
Simplified: 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 .