- What Was the Plague?Roberta Edwards, Who HQ et al.
- Who Was Leif Erikson?Nico Medina, Dede Putra
- Who Was Alexander Hamilton?Pamela Pollack, Meg Belviso et al.
- What Was the Great Depression?Janet B. Pascal, Dede Putra et al.
- What Was World War I?Nico Medina, Who HQ et al.
- Who Was Georgia O'Keeffe?Sarah Fabiny, Who HQ et al.
- What Is the Story of Nancy Drew?Dana Meachen Rau, Who HQ et al.
- Who Is Dale Earnhardt Jr. ?David Stabler, Who HQ et al.
- Who Was Juliette Gordon Low?Dana Meachen Rau, Who HQ et al.
- What Are Castles and Knights?Sarah Fabiny, Who HQ et al.
- Who was Mister Rogers?Diane Bailey, Who HQ et al.
- What Was the Great Molasses Flood Of 1919?Kirsten Anderson, Who HQ et al.
- Who Was Maya Angelou?Ellen Labrecque, Dede Putra
- Who Was E. B. White?Gail Herman, Who HQ et al.
Covers: Open Library