A broken air conditioner can make summer a bummer, but that is a breeze compared to living above Yellowstone's supervolcano. In this information-rich volume, readers will meet plants and animals that call the world's most extreme habitats home. This high-interest topic will attract even reluctant readers and those who might be a bit wary of math. Gorgeous photographs and interesting fact boxes illuminate the text, and engaging quiz questions throughout the text provide math challenges that feel like a fun game.