Marsico, Katie

Text and pictures introduce the lever, a simple machine used to change force and motion.

Working on a farm introduces young readers to many careers available on a farm. Colorful sidebars encourage young children to think, create, guess, and ask questions about a career working on a farm.

The 21st Century Basic Skills Library helps young readers develop fluency as they learn about the world around them. Level Three books are for readers with independent reading skills. They contain 150-200 words. Longer sentences and more complicated word patterns comprise the text. Some words and illustrations may reach beyond background knowledge. Eight to ten content words are included to expand vocabulary and reading skills.

Examines the life of Benjamin Banneker in a simple, age-appropriate way that will help children develop word recognition and reading skills.

Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.

An introduction to the environmental organization known as the Greenpeace Fund, discussing its mission, history, and work in the world.

Examines the oldest and newest places on Earth and find out how the world has changed over time.

Learn all about the hottest and coldest places on Earth and find out what it takes for life to survive in these extreme locations.

Discusses how bullfrogs survive in the wild, how they reproduce, and their relationship to other species.

Details the life and habits of white-tailed deer.