- Who was Louis Braille?, by Margaret Frith ; illustrated by Robert Squier
- Who is Temple Grandin?, by Patricia Brennan Demuth ; illustrated by Robert Squier
- The story of Cassiopeia, a Roman constellation myth : a retelling, by Thomas Kingsley Troupe ; illustrations by Robert Squier
- Who was Frederick Douglass?, by April Jones Prince ; illustrated by Robert Squier
- Who was Davy Crockett?, by Gail Herman ; illustrated by Robert Squier
- Who was Confucius?, by Michael Burgan ; illustrated by Robert Squier
- The who was?, history of the world, by Paula K. Manzanero ; illustrations by Robert Squier, Nancy Harrison, and others
- What is the story of the Wizard of Oz?, by Kirsten Anderson ; illustrated by Robert Squier