In the early 1800s, many black slaves in the southern states began to risk their lives to gain freedom in the North. They escaped from plantations with no money to buy food and no maps to help them find their way. They could travel only at night. If runaway slaves were caught, they could be beaten to death. Still, many slaves tried to flee. Slave catchers chased them, but the runaways seemed to disappear into thin air-or through a secret underground...

Dentists keep people's teeth healthy using many different tools. With carefully leveled text, colorful photos, and critical-thinking questions, this title will prepare emergent readers for their next trip to the dentist.

This lively and informative book introduces beginning readers to the Moon's orbit around Earth, phases of the Moon and eclipses, the Moon's effect on tides, and more.

This lively and informative book introduces beginning readers to the planets, dwarf planets, asteroids, and comets that make up our solar system; the Sun as the center of the solar system; and more.

What tools do doctors use? With carefully leveled text, colorful photos, and critical-thinking questions, this title will prepare emergent readers for their next trip to the doctor.

Have you ever built a cool science project? In middle school, Aprille Ericsson won second place in a science fair. She knew she wanted to keep creating amazing science projects. As an adult, she became an engineer and works at NASA building spacecraft. Ericsson was one of the few girls in her middle school who loved math and science. Years later, she became the first woman to receive a PhD in mechanical engineering from Howard University. At NASA,...

Kids who dream of seeing their name in bright lights will devour this title! Cool kid actors show them how it's done. Back matter includes tips for readers to get started acting.

To help stop fires and keep people safe, firefighters use many tools. Young readers will learn about the tools firefighters use to help their communities through carefully leveled text, age-appropriate critical-thinking questions, and vibrant photos.

A photo-illustrated book for elementary readers about Olympic figure skating. Includes descriptions of men's and women's singles program, ice dancing, pairs skating, and the team figure skating events. Readers will get a primer to some rules and athletes that may participate in the 2018 PeyongChang, South Korea Winter Olympic Games. Includes Q&A feature, table of contents, glossary, further resources, and index.

Explore the fascinating life of fireflies, including information about their body parts and structure, their habitat and how it supports them, and their unique way of communicating.