Earth is truly amazing! It has giant glaciers, gorgeous canyons, and it's the only planet we know of with intelligent life. Ian is exploring Earth with his tour guide, Dr. Sally. Join them as they study ocean animals, the African savanna, and the chilly South Pole. Find out more about the planet we call home.

Now in paperback, the companion book to the National Geographic TV series that will re-air in December 1986, revealing astonishing insights into the mysteries of the ocean depths, shifting continents, disastrous climate changes, new energy sources, and more. Illustrated in color and black-and-white throughout.

Move to another planet? Sounds interesting! In our imaginary spaceship, let's check out the planets in our solar system. Mercury is closest, but it has no air, and it's either sizzling hot or bitterly cold. The atmosphere on Venus is poisonous; plus, human beings would cook there. Mars might work, but you'd always have to be in a protective shelter. And if you got to the outer planets, you couldn't even land as they are mostly made of gas! Our home planet is looking good. Why is Earth so comfortable for plants, animals, and people? As Robert E. Wells explains, it's because of our just-right position form the sun, marvelous atmosphere, and abundant water. Our planet is very special and perfect for us, and that's why we must do all we can to keep Earth healthy.

The internationally successful Ultimate Book series expands its scope to embrace—very appropriately—the whole world! The Ultimate Book of Planet Earth offers lots of opportunity for hands-on interaction using flaps, pop-ups, and more! Pull a tab to see how magma erupts from a volcano, turn a page for a pop-up of a mountain range, or rotate a wheel to move the blades of a wind turbine! Planet Earth explores not only the geology of the Earth—oceans, continents, and the formation of mountains and volcanoes—but also its geo graphy, atmosphere, and weather. A valuable reference book for any child!

Four people are born every second of every day. Conservative estimates suggest that there will be 10 billion people on Earth by 2050. That is billions more than the natural resources of our planet can sustain without big changes in how we use and manage them. So what happens when vast population growth endangers the world’s food supplies? Or our water? Our energy needs, climate, or environment? Or the planet’s biodiversity? What happens if some or all of these become critical at once? Just what is our future? In Tipping Point for Planet Earth, world-renowned scientists Anthony Barnosky and Elizabeth Hadly explain the growing threats to humanity as the planet edges toward resource wars for remaining space, food, oil, and water. And as they show, these wars are not the nightmares of a dystopian future, but are already happening today. Finally, they ask: at what point will inaction lead to the break-up of the intricate workings of the global society? The planet is in danger now, but the solutions, as Barnosky and Hadly show, are still available. We still have the chance to avoid the tipping point and to make the future better. But this window of opportunity will shut within ten to twenty years. Tipping Point for Planet Earth is the wake-up call we need.

For thousands of years, humans have probed and pondered over our planetary home. How was the Earth formed? How old is it? How did it become a living world? Today, because of our expanded knowledge and the wonders of technology, we know a lot more about Earth than our ancestors. We know that it is an evolving planet, undergoing never-ending changes, perhaps at a pace unequalled in its recent, or even remote, past. The Story of Planet Earth gives a detailed, yet interesting, account of a lot more aspects related to the creation of Earth – Earth’s origin in light of the Big Bang explosion, arrival of water on its surface, formation of its atmosphere, evolution of life forms from unicellular organisms to giants like dinosaurs, changes from its core to crust and its current state in terms of unsettling global changes, a majority of which find their roots in our greed and thoughtlessness. The book goes beyond time, into the future, to see what may be in store for our forthcoming generations, if we don’t care about this “home” of ours.

From an American hero and dedicated scientist: A compelling introduction to the changes taking place in Earth's climate, written for the audience that matters most to our planet's future. Beginning with Sally Ride's unique, astronaut's-eye view of Earth's fragile atmosphere, Mission: Planet Earth describes how water, air, and other climate systems shape our world, and how a disruption in one part of the system can spread through the entire planet. Drawing on the latest scientific research and presenting a clear, even-handed account of the current state of climate studies, illustrated with helpful diagrams and stunning photographs of and from the front lines of climate change, here is a celebration of Earth's natural complexity--and a call to action for a new generation.