Nicholas J. Karolides is a professor of English at the University of Wisconsin. River Falls. His previous books include "Celebrating Censored Books and "Censored Books: Critical Viewpoints. Margaret Bald is a founding member of the National Writes Union. Dawn B. Sova teaches English at Montclair State University. Her previous books for Facts On File/Checkmark Books include "Banned plays and "Forbidden Film. Karolides, Bald and Sova are the authors of "100 Banned Books and the 4-Volume Banned Books set, both from Facts On File/Checkmark Books.