Which Way USA Maryland Author:Highlights This Which Way USA series invites children to take a U.S.A. road trip with a team of explorers, visiting each of the 50 states. — By following the explorers' adventures, and with a big map as their guide, children (ages 7 and up) meet fascinating heroes, visit natural and man-made wonders, and relive great events that shaped the history of the Un... more »ited States—all while solving puzzles and reading maps.« less