12 books • 8 series
Animals vs. Humans: Rodents Infest
Small Mammals (Essential Pets)
World War II: Aftermath of World War II
What Is Autism? (Teen Disorders)
Civil War: Black Soldiers in the Civil War
Science and Technology in the Twenty-First Century (Defining Events of the Twenty-First Century)
Slavery and the Missouri Compromise (Building Our Nation)
The Refugee Crisis (Special Reports)
Class Mobility (Class in America)
Teens and Mental Health (Teen Health and Safety)
Expansion of Our Nation: Slavery and the Missouri Compromise
Lower Plains (Let's Explore the States, #19)