Ricky Gervais, Kathy Griffin, Tracy Morgan and Louis CK have been booked to perform at the upcoming New York Comedy Festival, organizers said.Bill Maher, Jo Koy, Norm Macdonald, John Pinette, Sarah Silverman and Wanda Sykes will also perform, it was announced Wednesday. The stars will be joined by more than 150 other comedians performing at more than 10 New York venues from Nov. 9-13. Copyright 2011 Unted Press International, Inc. (UPI). Any reproduction, republication, redistribution and/or modification of any UPI content is expressly prohibited without UPI's prior written consent.