The ancient Maya civilization of Central America left behind a riddle: an intricate and mysterious hieroglyphic script carved on stone monuments and painted on pottery and bark books. Because the invading Spanish suppressed nearly all knowledge of how the script worked, unlocking its meaning posed one of archaeology's fiercest challenges. Until now.The ancient Maya civilization of Central America left behind a riddle: an intricate and mysterious hieroglyphic script carved on stone monuments and painted on pottery and bark books. Because the invading Spanish suppressed nearly all knowledge of how the script worked, unlocking its meaning posed one of archaeology's fiercest challenges. Until now.