A pocket companion for the great halls of antiquity. Somewhere in the low warm light of a museum gallery there is always a marble face gazing out from two thousand years ago, an amphora painted in the black-figure style, a bronze shield with a boar hunt engraved on its rim, a small gold pendant that once hung from an Egyptian priestess. Museia Halls is a compact version of those galleries, made to sit in the pocket for the quiet hours between real museum visits. The Halls open onto the great…