ART TALK--Jerry Mallett, Director of the Mazza Collection at the University of Findlay, gestures as he talks about the Ohio Arts Council show, Once Upon A Page: Children's Book Illustrations from the Mazza Collectioin, at the Riffe Gallery, in Columbus, Ohio, on Thursday, Nov. 6, 1997. The art show, which is free and open to the public, will run from Nov. 8 through Jan. 10.