Most Popular Books by Jen Green

How do we know that the Sun is at the center of our solar system? This scientific theory is know as heliocentrism. This fascinating book looks at the historical controversies that surround the theory of heliocentrism and tells the stories of the scientists who worked on the theory. It also examines how the theory of heliocentrism was arrived at, how it was tested, and what impact the theory has had on our understanding of science today.

Examines the geography, history, economy, culture, and daily life of the Central American nation of Mexico.

Discover about the history, people and places of China.

Discusses the impact of environmentalism on agriculture and the food industry, including the fair trade movement, organic farming, and crop rotation.

Discusses the country Vietnam and its people, history, culture, geography, and other topics.

Describes the history, climate, landscape, culture, and people of Japan.

Looks at the concepts of sustainability, renewable energy sources, and biodiversity and discusses the impact of global economic growth.

A basic overview of the history, geography, climate, and culture of Cuba.

Created as a homeland for the Jewish people after the end of World War II, this tiny nation is sacred to Jews, Christians, and Muslims. Although Israel has had to fight for its existence several times in the past 40 years, it boasts a rich culture, increasing tourism, a booming economy, and a hope for peace with its Arab neighbors.

How do plants spread their seeds? What is a gene? Why do some animals carry their young in pouches? Read this book to find out the answers to these questions and more. Each title in the Essential Life Science series explores a key curriculum topic. Find out how plants make seeds and how animals have young. Learn about the different ways animals reproduce and grow. How do genes control how we look and develop? Each book includes three simple activities or experiments to try. Heinemann Infosearch asks the questions you want answered. Each chapter starts with a question and provides a detailed answer. Book jacket.

Explains what coastlines are, why they form, the forces that shape them, how plants and animals survive in coastline conditions, and looks at different coastlines and coastline cities around the world.

Examines why Gandhi campaigned for Indian independence from Britain and looks at how his decisions impacted history and his legacy.

A simple explanation of racism, its basic causes, and the ways in which it can lead to unfair practices.

This breath-taking ebook about trees takes children on a captivating journey of nature packed leafy exploration, showing them just how special these mighty organisms are. Discover how they communicate and warn each other of predators, how they nurture their networks, record the past, and anticipate the future to ensure their survival. There''s so much more to trees than meets the eye. Learn about the amazing natural science of trees in this nature and science children''s ebook. From the highest branches, all the down to the complex "wood wide web" of roots, every part of a tree plays an important role. Not only in its own growth but that of the whole ecosystem of the forest or woodland. Did you know that trees take care of each other and that a whole forest is connected? A truly delightful non-fiction read that is suitable for all ages - each page of this nature ebook is nothing short of astonishingly beautiful. Enjoy a mixture of real images, vibrant illustrations, and patchwork-layering, making each page feel like a nature scavenger hunt. You''ll learn unbe-leaf-able tree facts, see extraordinary trees from around the world, and the animals that call them home. Find out what trees do for us and how we are damaging them with pollution and deforestation. This ebook will show that it''s not too late to do something about it, and you''ll find out how you can help with instructions on how to plant your very own tree! When you get to know these silent giants, you''ll never look at trees the same way again. Discover The Secret World Of Trees Do you know that trees send underground messages? Have you heard that they take care of their families? A tree is so much more than it seems. The Magic And Mystery of Trees is the perfect introduction to the world of trees - above and below ground. Combining stunning photography with beautiful illustrations, turn the pages to find out how trees help prevent soil erosion, mark the seasons, and provide a habitat for wildlife - amongst other fun facts and amazing information about their role in nature. There are also some super fun, practical activities for kids! From planting your own tree to how to measure a tree’s age, this ebook highlights the importance of trees to our planet through exciting hands-on activities. Children will begin to understand the importance of trees to our planet and take their first steps towards safeguarding them for future generations. Explore the secret lives of trees learning: - What they are - How they live - About their animal assistants - How to help trees - Tree defenses and senses, and much more!

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.

Travel and holiday.

Young children experience many confusing emotions in their early years and I feel Bullied looks at what it means and feels like to be bullied in light-hearted but ultimately reassuring way. This picture books examines how and why people are bullied, illustrates scenarios of people bullying and being bullied, and the best way to deal with it with age-appropriate content. Ideal for home or the classroom, this book contains notes for parents and teachers with suggestions of ways to help children deal with bullying. Filled with colourful illustrations by the every-popular, award-winning illustrator Mike Gordon.

An adaptation in graphic novel format of Dickens'' tale of an orphan growing up in Victorian England.

Our eyes help us look at the world, but there are many things we cannot see. Atoms are the building blocks of everything in the universe, from planets and stars to the cells that make up plants, animals, and the human body. Atoms are invisible because they are so small, but bigger things can be invisible, too. Ancient artifacts and buried bones are hidden under the ground, while invisible forces such as earthquakes and winds shape life on Earth. This book explores the invisible world inside different animals. Find out how animals are made up of a complex network of microscopic cells. See how cells divide so animals can grow and reproduce. Learn about the tiny pests and parasites that make animals ill. Book jacket.

Explains what islands are, why they form, the forces that shape them, how plants and animals survive on island conditions, and looks at different islands and island cities around the world.

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 clear text, full-color photos, and diagrams. Age-appropriate activities, such as researching how California sea lions compare to other pinnipeds, give readers a chance to make observations and to develop animal-science skills.

Explores how the changing ideas about the environment and sustainability have impacted conservation efforts.

Looks at natural disasters including earthquakes, volcanic eruptions, tidal waves, diseases, and meteors.

Traces the daily life of a family in South Africa.

Presents information about the history, government, agriculture, military, art, religion, and everyday life of ancient Greece.

Discusses the issue of pollution and waste throughout the world, including the long- and short-term affects on the environment, worldwide government regulations on pollution, and how to reduce waste and pollution.

Examines the physical characteristics, behavior, and life cycle of butterflies, describes the different kinds, and discusses their endangered status.

Uses color illustrations and simple text to explore the importance and benefits of recycling bottles, cans, plastic, clothes, and paper. Includes notes for parents and teachers that have suggestions for reading the book with children and suggestions for follow-up activities.

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 photos, and diagrams. Age-appropriate activities give readers a chance to make observations and develop animal-science skills.

Looks at the course of Hurricane Andrew, which hit the southeastern United States in 1992, and describes the damage caused by the storm.

Introduces young readers to Earth''s unique features, offering explanations about the air we breathe.

A few seals are playing in the waves near a shore. Suddenly a dark, triangle-shaped fin appears above the water''s surface. When the seals see the fin headed toward them, they scatter in all directions as fast as they can. They know that one of the scariest predators in the sea--a great white shark--is headed their way! Young readers will explore the underwater world of this enormous fish through clear text, full-color photos, and diagrams. Age-appropriate activities, such as describing the differences between an adult and a pup, give readers a chance to make observations and to develop animal-science skills.

Introduces young readers to Earth''s unique weather patterns and seasons, including how and why they change throughout the year.

Surveys the physical features, geological borders, climate and currents, water, plant and animal life, and economic and ecological aspects of the Mediterranean Sea.

In 1980, Mount St. Helens in Washington State erupted with one of the largest explosions ever recorded in the United States. The volcano shot a huge cloud of ash and hot rock high into the air. Thanks to warnings from scientists, however, relatively few people died in the disaster. Lessons scientists learned from the 1980 eruption also better prepared people for Mount St. Helens'' latest rumblings. Book jacket.

Fulfills the standards: "Culture," "Time, Continuity, and Change," "People, Places, and Environments," "Individuals, Groups, and Institutions," "Power, Authority, and Governance," "Global Connections," and "Civic Ideals and Practices" from the National Council for the Social Studies Curriculum Standards for Middle School.

A ground breaking nonfiction series for early elementary students sure to become a standard in every library! The uncluttered design uses a mix of photos and artwork to support the narrative text, which is divided into short chapters easily digested by new readers. Each book contains a glossary and an index.

This is an excellent country studies series for less able readers.