by Sarah Eason (Author), Diego Vaisberg (Illustrator)

When researchers at Oxford University heard that crows may use twigs as tools, the scientists 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. Then, learn more about these brainy birds and read other stories of crow masterminds!