When a view of Earth's surface is shown on a flat surface, the image is called a map. A map may show the entire surface of Earth, or it may show only certain parts of Earth's surface. Find out more in Mapping, one of the titles in the Social Studies Essential Skills series.

Mountains are alpine biomes, which are home to an intriguing number of plants and animals. Some mountain animals, such as the yak, have been adapted for agriculture by humans. This intriguing book soars to new heights with simple-to-understand maps and detailed facts about an often-overlooked biome.

Introduces readers to seashores and important animals and plants that live there. Learn how seashores benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research. Author/Illustrator biography Detailed maps Educational front/back matter Glossary of key words Index Infographics...

Introduces readers to mountains and important animals and plants that live there. Learn how mountains benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research. Author/Illustrator biography Detailed maps Educational front/back matter Glossary of key words Index Infographics...

The world came to a halt in 2020 due to the COVID-19 virus. This timely book looks at how governments jumped into action, adapting their strategies as the pandemic evolved and changed. It also explores historical pandemic responses, the problems and challenges related to carrying out pandemic strategies, and how we can learn from the COVID-19 pandemic to prepare for the future. Free downloadable Teacher's Notes.

In this fascinating title, readers explore how light and sound waves transfer information. From telescopes that extend our sense of sight to satellites that help us communicate across large distances, patterns of waves transfer information in many ways.

Why do gorilla troops move to a new area each day? Why do bonobos sleep in large groups? How do animals in a troop help raise young? Discover the answers in this amazing book and learn about the many ways living in a troop helps animals survive. Free downloadable Teacher's Guide.

Viruses are contagious. They can be passed from person to person. They can also be passed to a person by an animal. Discover more in How Does a Virus Spread?, part of the Understanding Viruses series.

No one knows for sure where polio came from or when the first case took place. It has likely been around for thousands of years. Find out more in Polio, one of the titles in the International Outbreaks series.

In November 2019, COVID-19 started spreading through the city of Wuhan, China. By March 2020, the first outbreak of the virus had turned into a pandemic. Find out more in COVID-19, one of the titles in the International Outbreaks series.