Explains the mathematics, physics, and other science behind the sport of gymnastics, from the velocity of floor exercises to the mathematics of scoring.
Some of todays favorite books are horror stories. Now readers can create some of their personal favorites on the page, using their own creativity and simple tools. Step-by-step instructions and intere
Explains who refugees are and what life is like for them when they reach the United States, discussing their rights, the process of seeking and applying for asylum, and the path to citizenship.
Examines the struggles and contributions of lesbian, gay, bisexual, and transgender Americans, including Maurice Sendak, Harvey Milk, Chaz Bono, and Ellen DeGeneres.
Discusses ten simple but significant lifestyle changes that can help keep the Earth clean, including eating more vegetables, planting trees, and recycling.
