15 books • 9 series
True Mountain Rescue Stories (True Rescue Stories)
Who on Earth is Rachel Carson? (Scientists Saving the Earth)
Who on Earth is Aldo Leopold? (Scientists Saving the Earth)
Explore! Delaware Water Gap National Recreation Area (Exploring)
The Snow Leopard (Saving Endangered Species)
J. Robert Oppenheimer (Inventors Who Changed the World)
The American Crocodile (Saving Endangered Species)
Primary Source Accounts of World War I (America's Wars Through Primary Sources)
The Green Sea Turtle (Saving Endangered Species)
The Florida Panther (Saving Endangered Species)
Uranus (Solar System (Myreportlinks))
Neptune (Solar System (Myreportlinks))
America's National Trails (Falcon Guides Historic Trails)
Nature Walks in New Jersey
Hikes in the Mid-Atlantic States (Exploring the Appalachian Trail)