The American bison was hunted to near extinction in the 1800s as settlers moved west across what is now the United States. Readers will learn about this animal that is a symbol of the American West and find out what steps were taken to help increase the American bison population.
An elephant seal has a thick layer of blubber that keeps it from freezing in cold northern waters. This protective layer of blubber was prized by hunters who killed so many elephant seals that there were fewer than 100 left alive. Discover how government leaders and others took action to save these sea mammals from extinction.
The small golden lion tamarin is known for its brownish-red mane, long tail, and territorial nature. Readers will learn about these creatures and how destruction of their coastal forest habitat almost led to their extinction. Find out how zoos and conservationists have collaborated to save the golden lion tamarin.
Many people are afraid of bats, but like every other living thing they play in important role in nature. Readers will learn about cave dwelling gray bats, how they became endangered, and how government leaders and scientists have teamed up to save these furry, flying creatures.
How do you measure poverty? What are the effects of poverty? What can we do to prevent poverty? Learn about poverty and its many faces around the world and to start thinking about what you can do about this global social problem.
What is racism? Who is a racist? What are the causes of racism? Read this book to learn more about racism and what you can do to help foster tolerance, understanding, and acceptance in your community and the world.
Is immigration a basic human right? Does each country have the right to decide who can enter its borders? What is an illegal immigrant? Start learning about immigration and begin looking at the many different sides of this social issue.
How many people is too many? What happens when too many people are crowded into too little space? What can be done to control the world's population? Read this book to learn more about overpopulation and start thinking about what can and should be done to address this important issue.
What is a pandemic? What diseases are likely to cause a pandemic? How can the spread of a disease be stopped? Find out about how a disease reaches pandemic proportions and start thinking about what people can do to stop the spread of deadly diseases.
What causes pollution? How does pollution affect the environment? Why should we care about pollution? Read this book to find out more about the social, environmental, and economic issues related to pollution and what you can do about it.
Who pays for schools? Does everyone have the right to a good education? What is a good education? These are just a few of the questions that leaders around the world must answer. Start learning and thinking about education as something more than textbooks, teachers, and homework.
Should scientists manipulate genes to create new varieties of food? Is genetically modified food safe to eat? How can we grow enough food to feed all the world's people? Read this book to find out more about genetically modified foods and what people around the world think about them.
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the possible effects of global warming? Read this book to learn more about the global warming debate and to start forming your own opinions.
The Bill of Rights in the US Constitution the rights of all citizens. The government and its leaders must protect those basic rights. Look inside to learn more about the rights outlined in the Bill of Rights and what we have done to guarantee them.
The right and privilege to vote give people great power. They can choose leaders and affect great change. Look inside for information about history for this right and its importance in the 21st century.
This study makes the United States government system - three branches with checks and balances - clear and understandable.
Governments provide many services - fire and police protection, education, medical care and more. So many we sometimes take them for granted. Look inside to discover the services government provides and why we pay taxes to fund them.
The US Constitution established the nation's government and laws. The judicial branch - courts, judges, and juries - make sure the laws are fair and keep people safe. Look inside to learn more about the amazing document and the work of the judicial branch of government.
There are many levels of government that protect American citizens. While the national government is responsible for protecting us from attack and similar things, state and local governments resolve local issues. Look inside to discover all the kinds of things state and local governments do for their citizens.
One of the key features in a democracy such as that in the United States is the right to elect our leaders. Certain groups in the United States have had to fight for this right. Look inside to learn about the history of American voting rights and the future of elections in the 21st century.
American mink have beautiful, thick, glossy fur. At one time, many were exported to other countries where farmers raised them for their fur. Find out what happened to native species when fur went out of fashion and many minks were released into the wild.
Asian carp have big appetites and can leap out of the water when startled. They were brought to the United States from their native Asian habitats to control algae growth on fish farms. Find out what happened when some of these big, jumping fish escaped and made their way up the Mississippi River.
Cane toads are known for their warty skin and poison glands. They were brought to Australia and other places to help control pests that were harming crops. Learn more about how the cane toad has gone from being farmer's friend to an unwanted pest.
Emerald Ash Borers have shiny green bodies and an appetite for ash trees. This native Asian insect hitchhiked to North America and has killed millions of ash trees. Learn more about the emerald ash borer and what is being done to try to stop its spread.
Gray squirrels are known for their bushy tails and hoarding habits. These North American natives were imported to parts of Europe and South Africa as pets, but quickly went from pets to unwanted pests. Learn more about the problems caused by invasive gray squirrels and what can be done to solve them.