What Was the Holocaust? (Unabridged)
Gail Herman & Who HQ
What is the Declaration of Independence? (Unabridged)
Michael C. Harris & Who HQ
What Was Pearl Harbor? (Unabridged)
Patricia Brennan Demuth & Who HQ
What Was the Underground Railroad? (Unabridged)
Yona Zeldis McDonough & Who HQ
What Was the Titanic? (Unabridged)
Stephanie Sabol & Who HQ
What Was World War I? (Unabridged)
Nico Medina & Who HQ
What is the Constitution? (Unabridged)
Patricia Brennan Demuth & Who HQ
What Is the Super Bowl? (Unabridged)
Dina Anastasio & Who HQ
What is Climate Change? (Unabridged)
Gail Herman & Who HQ
What Was the Great Depression? (Unabridged)
Janet B. Pascal & Who HQ
What Was the Boston Tea Party? (Unabridged)
Kathleen Krull & Who HQ
What Was the Plague? (Unabridged)
Roberta Edwards & Who HQ
What Was the Harlem Renaissance? (Unabridged)
Sherri L. Smith & Who HQ