What Was the Trail of Tears?
Sean Teuton, Who HQ & Stephen Marchesi
What Is Greek Mythology?
Kathryn Waterfield, Who HQ & Gregory Copeland
What Is AI?
Wes Locher, Who HQ & Dede Putra
What Is American Sign Language?
Gail Herman, Who HQ & Robert Squier
What Is Lunar New Year?
Vivian Jun Kirklin, Who HQ & Gregory Copeland
What Was the Industrial Revolution?
Jim E. Gigliotti, Who HQ & David Malan
What Are Taylor Swift's Eras?
Niki Catherine, Who HQ & Laurie A. Conley
¿Qué fue el Titanic? (What Was the Titanic? Spanish Edition)
Stephanie Sabol, Who HQ, Gregory Copeland & Yanitzia Canetti
What Was the Renaissance?
Roberta Edwards, Who HQ & Gregory Copeland
What Was the Great Molasses Flood of 1919?
Kirsten Anderson, Who HQ & Dede Putra