Scholastic Inc,25 McGraw-Hill,18 Frederick A. Praeger,18 Marshall Cavendish,16 Oxford University Press,15 Alexander Hamilton Institute,14 Macmillan Reference USA,13 Hyperion,12 Columbia University Press,9 McGraw-Hill6 New American Library,6 The Bhaktivedanta Book Trust,6 McGraw Hill Book Company,6 The Macmillan Company,6 Simon & Schuster,5 Random House,5 Facts on File,5 Warner Books,5 Golden Press,5 The new york graphic society,5