ON THE COVER: Not one stone tessara in her delicate face out of place, this tantalizing woman gazes from a huge mosaic floor discovered at Sepphoris in the Galilee. The most talked about find of the ‘87 season, she holds out hope to eager volunteers that next summer their trowels may also uncover the season’s prize. To pick your site see “1988 Excavation Opportunities,” and read more about the Sepphoris mosaic masterpiece in “Prize Find: Mosaic Masterpiece Dazzles Sepphoris Volunteers.”