适合年龄 12岁左右 绘本简介 The natural world is full of complex relationships among different kinds of organisms. Symbiotic Wildlife is a nonfiction informational book that looks at how different species interact in ways that benefit each other. The book can also be used to teach students how to compare and contrast information and the proper use of commas in a series. The book and less

适合年龄 12岁左右 绘本简介 Over five thousand years old, the massive stones of Stonehenge draw thousands of visitors to the English countryside each year. Students will be fascinated to learn how the monument's ancient builders could have handled its heavy stones as well as why they may have decided to build it. 5000 多年的历史，巨石阵的巨石每年都会吸引成千上万的游客前往英国乡村。 学生将着迷于了解纪念碑的古代建造者如何处理其沉重的石头，以及他们

适合年龄 12岁左右 绘本简介 How many people do you think is too many for Earth to support? Today, more than seven billion people live on Earth! This large population is affecting our planet in many ways. Seven Billion and Counting provides students a comprehensive look at the problems of overpopulation and the impact it has on Earth. This book can also be used to teach students how to ana

适合年龄 12岁左右 绘本简介 What divided Britain and the American colonists after their success in the French and Indian War? Seeds of Revolution provides students a historical look at these struggles. The book can also be used to teach students how to determine cause-and-effect relationships and the proper use of conjunctions. The book and lesson are also available for levels X and Z2.

适合年龄 12岁左右 绘本简介 Rap music arose from the streets of New York City in the 1970s. Roots of Rap guides readers through the early history of rap music: from its origin at a young girl's block party, to an explanation of the four "pillars" (key elements) that define hip hop. The book can also be used to teach students how to determine an author's purpose for writing and the proper

适合年龄 12岁左右 绘本简介 Have you ever dreamed of traveling to space? That dream is now accessible to more people than it's ever been. Private Spaceships describes the recent shift toward a new era of private space flight. The book can also be used to teach students how to determine an author's purpose for writing and the proper use of adjectives. The book and lesson are also available

适合年龄 12岁左右 绘本简介 Can your students name a prehistoric animal-other than a dinosaur? Students will travel back in time with Prehistoric Giants (Other Than Dinosaurs) to learn about giant reptiles as well as giant species of shellfish, insects, centipedes, fish, amphibians, birds, and mammals. Read about how these animals once were a force to be reckoned with, but are now extinct

适合年龄 12岁左右 绘本简介 Hidden in the southern desert canyons of Jordan lies the mysterious ancient city of Petra. Carved by the Nabataeans out of colorful sandstone rock, the "Rose City" used its elaborate water-management system and location near important ancient trade routes to flourish in a harsh desert environment. 隐藏在约旦南部沙漠峡谷中的是神秘的佩特拉古城。 “玫瑰城”由纳巴泰人用五颜六色的砂岩雕刻而成，利用其精心设计的水资源

适合年龄 12岁左右 绘本简介 Natural Wonders of the World teaches readers about five of the natural wonders of the world: the Grand Canyon, Paricutín, Victoria Falls, Mount Everest, and the Great Barrier Reef. The book explains how the structures were formed and where they are located. Maps, charts, and photographs support the text. Students will also have the opportunity to identify cause

适合年龄 12岁左右 绘本简介 Working on a ship is one of the world's most dangerous jobs. Savage weather, hidden rocks and reefs, and the vastness of the sea make for unpredictable conditions, so it is no wonder that the seafloors are littered with more than three million shipwrecks. Mysterious Shipwrecks offers a detailed look at several fascinating shipwrecks around the world. The book c

适合年龄 12岁左右 绘本简介 Have you ever wondered where money comes from or who decides its value? Money, Money, Money provides students with an informative look at the development of money. The book can also be used to teach students how to identify main idea and details and to use proper nouns correctly. The books and lesson are available for levels X and Z2. 你有没有想过钱从哪里来或谁决定了它的价

适合年龄 12岁左右 绘本简介 The work of Marie Curie revolutionized scientific understanding of the nature of atoms and opened up new frontiers in medicine. Marie Curie is a detailed account of this remarkable woman's legacy in the face of discrimination and struggle. The book can be used to teach students the elements of a biography. The book and lesson are also available for levels V and

适合年龄 12岁左右 绘本简介 The spring and summer of 1953 was terrifying for parents in the United States. They braced themselves for the possibility of polio. Through his determination and unorthodox thinking, Jonas Salk developed a polio vaccine and children's lives were saved. Jonas Salk provides students an in-depth look into both Dr. Salk's life and his search for the vaccine. The bo

适合年龄 12岁左右 绘本简介 The ancient Greeks imagined creatures that were half one animal and half another. These mythical creatures may not exist, but animal hybrids do! Both nature-made and human-made hybrids are fascinating animals. While some would argue that hybrid animals are a threat to at-risk species, others claim that they are nature's way of speeding up the adaptation process

适合年龄 12岁左右 绘本简介 One in five children in the United States lives in a food-insecure household, which means these children are hungry and struggling to thrive. While federal food programs work to diminish the hunger epidemic, the efforts of local communities to ensure that all citizens receive bountiful and nutritious food are paramount. Hungry Right Here? provides students with

适合年龄 12岁左右 绘本简介 Hoover Dam stands as one of the greatest engineering feats in the United States. It helped transform the American Southwest, allowing water from the Colorado Riverto be used throughout the desert landscape. Students will enjoy learning about how the dam was built and how it operates. 胡佛水坝是美国最伟大的工程壮举之一。 它帮助改变了美国西南部，使科罗拉多河的水可以用于整个沙漠景观。 学生将喜欢了解大坝的建造方式和运作方式。

适合年龄 12岁左右 绘本简介 Between the eleventh and fifteenth century, an incredible city took shape-Great Zimbabwe in East Africa. Its massive stone ruins present many mysteries to scholars, including who was responsible for building it and the purposes of its well-constructed walls and buildings. 在十一世纪和十五世纪之间，一座令人难以置信的城市成形——东非的大津巴布韦。 它巨大的石头废墟向学者们展示了许多谜团，包括谁负责建造它以及它精心建造的墙壁和建筑物的目的。

适合年龄 12岁左右 绘本简介 Made entirely of mud brick, the Great Mosque of Djenné is one-of-a-kind. Not only is it unique, but It is also the largest mud-built structure in the world. Located in Mali in West Africa, the history of the mosque dates back centuries, and has been completely rebuilt three times over its lifetime. This book introduces students to the mosque's fascinating histo

适合年龄 12岁左右 绘本简介 Genetics at Work explores the role that genetics plays in our growing world. The field of genetics is an ever-changing and rapidly expanding branch of science. From farming to crime fighting and disease prevention, genetics is shaping our future. Students will have the opportunity to learn more about these advancements while practicing the skills of summarizing

适合年龄 12岁左右 绘本简介 Children and adults have been playing with remote-controlled planes, boats, cars, trucks, and helicopters for decades. What seemed like magic one hundred years ago has quickly become an important, and entertaining, part of our everyday lives. Fun by Remote Control explains the history, science, and future of remote-controlled vehicles. Students will enjoy detai