ONCE UPON A PAGE--Visitors take in a preview of the latest Ohio Arts Council show titled, Once Upon A Page: Children's Book Illustrations from the Mazza Collection, at the Riffe Gallery, in Columbus, Ohio, on Thursday, Nov. 6, 1997. The exhibit, which runs from Nov. 8 thru Jan 10, features works from the University of Findlay's Mazza Collection, which is the world's largest collection specializing in art from children's books. The show is free, and open to the public.