Jen Green

"In this book, young readers will learn about the diet, life cycle, behavior and habitat of great white sharks."--

A California sea lion shoots above the ocean's surface. Suddenly there is another, and then a third one racing through the water. The sea lions are speeding toward one of their favorite places to dive for clams. Then things get scary. A gigantic great white shark bursts out of the water. The sea lions' hunting trip has just turned into a race for their lives! Young readers will explore the underwater world of these beautiful marine mammals through...

A sea otter mother licks and licks her newborn's coat to clean it and get out the tangles. The pup's fur is so soft, fluffy, and full of air by the time she finishes that the baby floats easily on the sea's surface. Then the mother looks up at the sky and sees a huge bald eagle diving straight toward her pup! She has only seconds to prevent disaster. Young readers will explore the underwater world of this marine mammal through clear text, full-color...

Evolution is the process through which living things change with time, adapting to the changing environment around them, and new species form. Fossils provide important evidence for the theory of evolution, but so too do other kinds of evidence, such as the distribution of modern species, animals' appearance, and DNA. This book offers a comprehensive and lavishly illustrated account of Darwin's observations and theory of evolution, the body of knowledge...

People throughout time have attempted to make sense of the earth, why there are earthquakes, how rocks are formed, and more. Earth, before people came to be and since, has a rich history. This book takes a look at some of the early scientific and cultural beliefs about the Earth and how discoveries have shaped our modern culture.

Weather is all around us. It affects everything we do, from the way we travel and the houses we live in, to the food we eat and the clothes we choose to wear. My First Fact File: Weather is a first introduction to the fascinating subject of weather for children aged 5 and up. Learn about how the seasons impact on weather around the world. Find out what causes different kinds of weather to happen, from tornadoes and hurricanes to rain and snow....

Set sail on a voyage of discovery with My First Fact File: Oceans. Children will learn about the amazing ecosystems and habitats and the creatures that live in them, how the waves, wind and weather shape our planet, as well as the threat to ocean life from pollution and climate change.

Journey back in time to the age of the dinosaurs, the biggest, scariest creatures the world has ever known. Which dinosaurs hunted in packs like wolves? What was the deadliest dinosaur of them all? Which were the very largest species? Not all dinosaurs were bloodthirsty meat-eaters, but all were armed and dangerous. You are advised to keep well clear as we tour the world of the dinosaurs, taking a detailed look at all the most amazing species.

Living busily on Planet Earth, we rarely remember that we inhabit only a miniscule part of the universe. In The Planets and The Solar System, Jen Green paints the wider picture, and takes us on a journey across billions of kilometres in our galaxy, from our Sun to near and distant planets. Some, like Mercury, have a molten core surrounded with crust and spin quickly; Jupiter, on the other hand, is a big ball of gas. For 2,500 years, mathematicians...