Bøger udgivet af Crabtree Publishing Co,US

Listed as a threatened species in 1975, the grizzly bears near Yellowstone National Park in Wyoming have made a remarkable recovery. Intriguing text and vibrant images will draw readers into the story of the bear's decline due to human interaction and habitat loss, and the strategies put in place that helped it...

Long considered by humans as a threat to livestock, the gray wolf has been hunted almost to extinction in parts of North America. But these keystone predators help keep an ecosystem in balance. This book details reintroduction programs that have helped populations recover to about 10 percent of their historic...

The survival of the giant panda depends on the survival of its only food: bamboo. Habitat loss from the destruction of bamboo forests in south central China where they live made the giant panda a vulnerable species. This book tells how habitat conservation and the creation of borrowing-and-breeding programs with zoos around the world kept the beloved bear from extinction.

The American alligator was nearly wiped out in the marshes and swamps of Louisiana and Florida in the last century. This exciting book tells the story of how government protection, habitat preservation, and a campaign to reduce the demand for alligator products helped bring back these fierce-looking...

Examines the holidays and traditions in Vietnam, which include colorful festivals that celebrate meaningful lunar calendar days and unique family traditions. Dynamic images, concise fact boxes, and clear text introduce readers to the traditional foods, clothing, and other practices used to celebrate holidays in Vietnam. Readers will also find out about Vietnamese folklore and religious practices.

Takes readers through a year of holidays and traditions in Poland. Many of the countrys holidays are based on Catholic holy daysbut traditional Polish customs, clothing, and food remain at the center of every occasion. Colorful images and clear text also help readers discover traditions and holidays unique to Poland, such as harvest festivals and family traditions.

A nation with Spanish, African, Asian, and Caribbean roots, Cuba's people celebrate their diversity with a range of cultural traditions. From celebrated Cuban music and dance to legends and family customs, this interesting book guides readers through the celebrations and traditions practiced by Cubans throughout each year. Other celebrations include national holidays and Christian observances.

"Sahar misses her life in Yemen before the terrible civil war started. When her home is bombed and she loses her baby brother, she and her family make the dangerous boat journey to a refugee camp. Sahar and her family end up journeying to Canada as refugees, where they adjust to a very different life"--Back cover.

"Ataui and her family live in South Sudan. They have never known what safety feels like. When she and two siblings leave their home, they don't know that they will never return, [but instead take up residence at a refugee camp]"--Amazon.com.

"Fatuma does not remember a time when there was no fighting in her homeland of Somalia. With violence all around them and a lack of food and water, Fatuma and her family are forced to escape to the world's largest refugee camp, in Kenya. Life in the camp is hard, and Fatuma hopes to one day feel safe"--Amazon.com.

Syed lives in Myanmar, a country that has experienced many years of violence. As a part of the Rohingya minority group, his family is considered unwelcome in their homeland. When his father perishes during their journey from the country, Syed must reach a refugee camp on his own.

Martinez's life in Guatemala is turned upside down when gangs harm and threaten the people in his neighborhood. He must leave his friends and two dogs behind when he and his family are smuggled to a refugee camp in Mexico, where thousands of families escaping violence hope to find safety.

Tech Industry examines the technological innovations that are transforming not only the way goods are manufactured and distributed, but also how people function in the workplace, from the farmer in the field to the pilot in the sky. Dynamic photographs and informative text sharply illustrate the momentous advancements we are experiencing in industrial technology, such as 3-D printing, product delivery by drone, and computer chips for consumers to track the path of their food from source to plate.

From robots cleaning houses to clothes that can correct posture, technology is constantly introducing ways to improve our lives. Tech Living explores many of these current and soon-to-be appearing innovations through dynamic photographs and engaging text. Young readers are encouraged to consider both the benefits and drawbacks of many of the technological advancements that are changing the ways humans live at an astonishing rate.

Provides information about many of the incredible technological innovations that are occurring in the defense industry, including weaponry and military hardware, as well as surveillance and cybersecurity programs.

"Andres dreams about peace in his homeland of Colombia, where fighting has been going on for more than 50 years. When rebel groups threaten his family, they flee their home to find safety in the neighboring country of Ecuador, where they face an uncertain future"--Amazon.com.

From voyaging farther into the universe than ever before to the possibility of living on Mars, technological innovations are turning former dreams into reality. Space Tech explores these exciting advances through stunning photography, informative and engaging text, and a timeline of the historic achievements that have transformed our understanding of the universe. This imagination-capturing title also examines the surprising ways we already benefit from space technology, including enriched baby food and laser eye surgery.

"Every structure that touches the ground could benefit from the skills of a geotechnical engineer. Readers will discover how these engineers study rocks, soil, natural processes, and potential hazards to help make the safest, strongest foundations possible. This book introduces key concepts and the engineering design process with interesting examples from the field. A hands-on activity and a design challenge engage readers in engineering action."--

"Biomedical engineering is the fastest growing engineering field. From designing life-saving medical devices to high-performance athletic gear, these engineers improve people's lives every day. This book explores the creative ways biomedical engineers help diagnose, treat, and prevent problems found in human body systems. Real-life examples make learning about the engineering design process interesting for readers. Practical, hands-on activities help readers to understand scientific and engineering principles."--

This thoughtful book describes the course of events that followed the end of World War II, and the war's long-term legacy. Readers will learn about war crimes trials in Japan and Germany. The Nuremburg Trials detailed the horrifying mass murder of six million Jews by the Nazis during the Holocaust. The Paris Peace Conference in 1947 redrew international boundaries and created the state of Israel in an attempt to ensure the survival of the Jewish people. It also split Germany into two parts, each occupied by different countries and setting the stage for a new kind of war - the "cold war." Discussion boxes describe reconstruction in Germany and Japan, what lessons leaders learned from the mistakes of WWI's Treaty of Versailles, and the founding of the United Nations.

This fascinating title sets the world scene in the two decades between the end of World War I and the start of World War II. Readers will get a snapshot of the political and economic situations around the world. Most countries experienced booming economies following WWI. But Germany, punished under the terms of the Treaty of Versailles, suffered under great hardship. With the stock market crash in 1929 and the Great Depression that followed, the world found itself moving again toward war. Find out how the humiliation and poverty of the German people led to the rise of Adolf Hitler and the Nazi Party - and a second world war.

A worldwide conflict, World War II involved alliances between political leaders and military forces from many different countries, including the United States and Canada. This fascinating book looks at key figures involved during this war of expansion by invasion. Brief biographies give details of the lives and actions of political leaders Hitler, Churchill, Roosevelt, Truman, Stalin, Hirohito, and Tojo; military leaders Rommel, Goring, Donitz, Dowding, Pound, MacArthur, and Patton; as well as flying aces, code breakers, and activists.

This compelling book follows the significant battles over the course of World War II. European countries and their colonies and allies, such as the United States and Canada, supplied forces for battles. Readers will learn that fighting took place in five parts of the world: western and eastern Europe, North Africa, the Balkans, the Middle East, and Asia. New advances in technology since WWI led to fierce fighting on land, at sea, and in the air. Find out how victory was won or lost in such famous conflicts as the Battle of the Atlantic, Germany's Blitzkrieg, the Battle of Britain, Dieppe, Paris, Stalingrad, Berlin, Midway, Pearl Harbor, and the dropping of the atomic bombs.

"Earth has a limited supply of fossil fuels, and in the near future this supply will come to an end. However, more people live on the planet than ever in its history--and they all need energy. One of the ways in which we can meet this increasing demand for energy is through nuclear power. Nuclear power stations do not drain our planet of its resources, and they can supply a seemingly limitless source of energy. Discover more about nuclear energy, how it is created and harnessed, and the controversies and challenges that surround it."--

Earth's surface is constantly being changed by heat, water, ice, salt, plants, and animals. Sometimes the changes are destructive to human activities such as farming and the building of structures. This interesting title shows the different ways people try to stop or reduce this change in the land. Examples feature such structures as dykes to hold back water and windbreaks, and adding shrubs, grass, and trees to an area of land to prevent erosion.

Learn how water and wind shape the landscape of Earth.

Learn about Earth's different types of landforms and bodies of water.

Follows British explorer John Franklin on his voyage to discover the Northwest Passage.

This revealing book examines how First Nations and Native Peoples have been displaced in the United States and Canada through treaties, empty promises, and military force. Through close examination of primary source images, documents, and first-hand accounts, readers will gain an understanding of how thousands were displaced and cultures threatened. Topics covered include government relations and policies, such as the Potlatch Law and the Dawes Act, as well as the creation of residential schools and other acts of forced assimilation. Native and non-Native viewpoints are addressed to help readers develop critical thinking skills and get a sense of the attitudes and opinions of the time. A look at relations today sheds light on the lasting repercussions.

Students will love learning about the way of life of wolves and the challenges they face as babies and adults. An exciting narrative format supported by fun facts, questions, and activities, tells the story of gray wolves who live in highly structured social units called packs. A pack has one breeding pair and their offspring, and may include older siblings or wolves from other packs. This delightful adventure story starts with the excitement created by the birth of newborn cubs and how the other members of the pack bond with them. The cubs are taught vocal and physical communication and soon learn to hunt with the pack. This exciting story will enrich students' understanding of the importance of gray wolves to ecosystems in North America. Young readers will be amazed by how much the lives of wolves mimic their own lives!