Most American teenagers want a vacation in Italy, but the Bentarrini sisters have spent every summer of their lives with their parents, famed Etruscan scholars, among the romantic hills. Stuck among the rubble of medieval castles in rural Tuscany on yet another hot, dusty archaeological site, Gabi and Lia are bored out of their minds-- until Gabi places her hand atop a handprint in an ancient tomb and finds herself in fourteenth-century Italy. And...