This title will help readers understand that colors in nature are not just for beauty, but sometimes have more important purposes. Included in this title is a color wheel showing primary and secondary colors and their relationships.

Artistic gymnastics is a demonstration on strength, athletics, and grace. Gymnastics has athletes and moments that leave the world in awe. Nadia Comaneci was 14 years old when she was the first person to get a perfect score at the Olympics. Kohei Uchimura showed why he's the best in the world when he won the all-around title five years in a row. Gabby Douglas crushed her competition to become the first black gymnast to claim gold in the all-around...