Campbell's Accent on Numbers Author:John P. Campbell Campbell's Accent on Numbers Quiz Book, written for the High School level, offers thousands of questions linked with numbers in 20 categories, asking for such identifications as "the 3 Musketeers," "the 4 U.S. states known as commonwealths," "the 5 Civilized Tribes," "the 6 wives of Henry VIII," "the 7 wonders of the Ancient World," "the 8 Beati... more »tudes," "and "the 9 Muses,".« less