Are hot springs rainbows, curled up to nap? Or are they pools of water, heated deep within the earth? Yellowstone is an amazing and mysterious place. Emmaline has some imaginative ideas about the origins of the park’s wonders. Her scientist father has some pretty wild theories of his own. Follow their magical adventure through America’s first national park. Written and illustrated by an award-winning elementary art teacher and her own geologist father, this book is a playful lesson in earth science.