Diego Vaisberg

Vibrant illustrations accompany information about the history of Tokyo. The text is intended for students in kindergarten through third grade.

Vibrant illustrations accompany information about the history of Rome. Intended for students in kindergarten through third grade.

When researchers heard that crows may use twigs as tools, they knew they had to investigate. They created an experiment to see if their own crows, Betty and Abel, could make and use tools--and were shocked at just how smart these birds can be. Explore the exciting true story of supersmart animals in this graphic nonfiction adventure.

Vibrant illustrations accompany information about the history of Athens. The narrative nonfiction text is intended for students in kindergarten through third grade.