Eleven-year-old twins Jason and Julia, along with their friend Rick, find themselves in ancient Egypt in search of an important map after going through a magical door in their old English mansion.
Explains how to measure distance on maps through use of scale bars, color keys, and contour lines; includes suggested activities to illustrate the concepts.
In 1968, with the Vietnam War raging, thirteen-year-old Lyza inherits a project from her deceased grandfather, who had been using his knowledge of maps and the geography of Lyza's New Jersey hometown to locate the lost treasure of Captain Kidd.