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Incoming Resources
- What was Pearl Harbor?, by Patricia Brennan Demuth ; illustrated by John Mantha
- What was the Tulsa Race Massacre of 1921?, by Caleb Gayle ; illustrated by Tim Foley
- What was the plague?, by Roberta Edwards ; illustrated by Dede Putra
- What is the Stanley Cup?, by Gail Herman ; illustrated by Gregory Copeland
- Who was Sally Ride?, by Megan Stine ; illustrated by Ted Hammond
- Who was Steve Jobs?, by Pam Pollack and Meg Belviso ; illustrated by John O'Brien
- What were the Negro Leagues?, by Varian Johnson ; illustrated by Stephen Marchesi
- What was the Hindenburg?, by Janet B. Pascal ; illustrated by David Groff
- What Was Pompeii?
- What was the Children's Blizzard of 1888?, by Steve Korté ; illustrated by Dede Putra
- Who were the Wright Brothers?, by James Buckley Jr. ; illustrated by Tim Foley