Twelve-year-old Jack and his younger sister visit Mesa Verde National Park, where they delve into the park's history while gradually uncovering the mysterious past of their family's teenage foster child Lucky.
Presents an introduction to Glacier National Park, in simple text with illustrations, describing where it is, how glaciers form, and the plant and animal life you can find there.
Describes the history, geography, and plant and animal life of these two national parks that are located next to each other in California. Also includes a park map.
Describes the geography, including the geysers, hot springs, mud pots, and fumaroles, and plants and animals of Wyoming's Yellowstone Park. Includes a history of the park and a map.
While at St. John National Park in the Virgin Islands for a seminar on coral reefs, the Landons help a wealthy thirteen-year-old to find his birth mother, who he believes is in danger.