1.

Henry Ford: Genius Behind the Affordable Car (Inventors Who Changed the World) מאת Jeff C. Young

2.

Astonishing Ancient World Scientists: Eight Great Brains (Great Scientists and Famous Inventors) מאת Amy Graham

3.

Thomas Edison: Wizard of Light And Sound (Inventors Who Changed the World) מאת Amy Graham

4.

Alexander Graham Bell: The Genius Behind the Phone (Inventors Who Changed the World) מאת Stephen Feinstein

5.

A Look at the Eighteenth and Twenty-first Amendments: The Prohibition and Sale of Intoxicating Liquors (The Constitution of the United States) מאת Amy Graham

6.

Yellowstone National Park: Adventure, Explore, Discover (America's National Parks) מאת David Aretha

7.

Glacier National Park: Adventure, Explore, Discover (America's National Parks) מאת David Aretha

8.

Inspiring African-American Inventors: 9 Extraordinary Lives (Great Scientists and Famous Inventors) מאת Jeff C. Young

9.

Johannes Gutenberg: The Printer Who Gave Words to the World (Inventors Who Changed the World) מאת Stephen Feinstein

10.

Acadia National Park: Adventure, Explore, Discover (America's National Parks) מאת Amy Graham

11.

The Rap Scene: The Stars, the Fans, the Music (The Music Scene) מאת Sarah W. Moore

12.

Denali National Park and Preserve: Adventure, Explore, Discover (America's National Parks) מאת David Aretha

13.

J. Robert Oppenheimer: The Brain Behind the Bomb (Inventors Who Changed the World) מאת Glenn Scherer

14.

A Look at the First Amendment: Freedom of Speech and Religion (The Constitution of the United States) מאת John Richard Conway

15.

Olympic National Park: Adventure, Explore, Discover (America's National Parks) מאת Susan Jankowski

16.

The Executive Branch: Leading the Nation (The Federal Government) מאת Mark Thorburn

17.

A Look at the Fourth Amendment: Against Unreasonable Searches and Seizures (The Constitution of the United States) מאת Doreen Gonzales

18.

Daring American Heroes of Flight: 9 Brave Fliers (Great Scientists and Famous Inventors) מאת Jennifer Reed

19.

Grand Canyon National Park: Adventure, Explore, Discover (America's National Parks) מאת Doreen Gonzales