Did you know that it stays dark, 24-hours-a-day, for months at a time in the tundra? This frigid biome also has permanently frozen ground! Get ready to investigate some of Earth's most unforgiving ecosystems, as well as the plants and animals that have adapted to survive in them. You'll also learn about the many threats facing this fascinating biome - and what each of us can do to help - all in the pages of Tundra in Danger. ABOUT THE SERIES: There are five major biomes on Earth: desert, forest, grassland, aquatic, and tundra. These rich, wild places are home to a wide variety of plants and animals - many of which are found nowhere else. Unfortunately, these ecosystems have been put at risk by human activities. This STEAM-based set of True Books introduces students to the incredible biodiversity of Earth's amazing biomes, as well as the threats they face in the era of climate change. Interesting information is presented in a fun, friendly way - and in the simplest terms possible - and will inspire kids to think about how they can help stop the destruction of Earth's wild spaces.