Title: The Mighty Mississippi (Wonders of America Series), Author: Marion Dane Bauer
Title: The Rocky Mountains (Wonders of America Series), Author: Marion Dane Bauer
Title: Yellowstone (Wonders of America Series), Author: Marion Dane Bauer
Title: Yellowstone & Grand Teton Activity Book, Author: Paula Ellis
Title: Lewis and Clark: A Prairie Dog for the President (Step into Reading Book Series: A Step 3 Book), Author: Shirley Raye Redmond
Title: Yellowstone National Park Coloring and Activity Book, Author: Carole Marsh
Title: Canada 123, Author: Kim Bellefontaine
Title: La montana de presidentes (Mountain of Presidents) (TIME For Kids Nonfiction Readers), Author: Dona Herweck Rice
Title: Mountain of Presidents, Author: Dona Herweck Rice
Title: A Picture Book of Lewis and Clark, Author: David A. Adler
Title: W is for Washington, D.C, Author: Maria Kernahan
Title: Daily Life in a Covered Wagon, Author: Paul Erickson
Title: Our 50 States: A Family Adventure Across America, Author: Lynne Cheney
Title: If I Were a Park Ranger, Author: Catherine Stier
Title: My Wilderness: An Alaskan Adventure, Author: Claudia McGehee
Title: Who Pooped in the Park? Glacier National Park, Author: Gary D. Robson
Title: The Wonders of America Collector's Set (Boxed Set): The Grand Canyon; Niagara Falls; The Rocky Mountains; Mount Rushmore; The Statue of Liberty; Yellowstone, Author: Marion Dane Bauer