Unearth our planet’s glittering treasures—a fascinating book of gems for kids 6 to 9What do dusty old rocks have to do with the shiny, colorful jewels that you see in rings and necklaces? Everything! Set off on a journey inside Earth and learn the... Zobraziť viac
Take a trek to the center of the earth with Geology for KidsSet off on an adventure 4.6 billion years in the making with Geology for Kids. Start at the red-hot center of Earth and learn about each layer until you reach the rocky crust. Discover how... Zobraziť viac
