Roughly 4.6 billion years ago, planet Earth was just a red-hot molten ball in the solar system. Since then, the planet has evolved tremendously! Packed with astonishing photographs and intriguing facts, this 3-D Explorer book also features five dramatic pop-up scenes with see-through layers that provide a one-of-a-kind glimpse into our planet"s inner workings, including a spectacular volcanic eruption and a depiction of life in the Arctic. 3-D Explorer: Planet Earth takes kids on an incredible journey through the natural world. They"ll discover Earth"s early history, and learn about its constantly changing surface, land masses and extreme weather. This is a journey to the center of the earth like no other!