The subtitle to Ruins to Ruins, From the Mayan Jungle to the Aztec Metropolis, defines the extent of the sites visited by Robert, a young naturalist, and Johnathan, a budding archeologist. A third subtitle might be Finding Wildlife at the Ancient Ruins. Examples include army ants and howler monkeys at Chich n Itza, orange-breasted falcon at Tikal, and king vulture at Yaxchilan. Their journey took them to numerous significant ruins, from Chich n...