适合年龄 10岁左右 绘本简介 When Heather was an infant, she was adopted. Now, at age thirteen, she learns she is a twin. With her family's help, Heather tries to find her twin by placing ads in local and national newspapers. Once the candidates have been narrowed down to three, the family enlists the help of a geneticist to determine which one is The Mystery Twin. 当希瑟还是婴儿时，她被收养了。 现在

适合年龄 10岁左右 绘本简介 A mysterious monkey paw is said to have the power to grant wishes... but not without consequence. When a group of friends finds themselves in possession of the monkey's paw, strange things begin to happen. The Monkey's Paw is an engaging and exciting story that will leave readers on the edge of their seats. The book can also be used to teach students how to mak

适合年龄 10岁左右 绘本简介 Take a tour through New York City's Metropolitan Museum of Art in this colorful and detailed text. The Metropolitan Museum of Art introduces students to a broad spectrum of art and its place and importance in the modern world. The book can also be used to teach students how to compare and contrast information and the proper use of complex sentences. The book an

适合年龄 10岁左右 绘本简介 Cesar Chavez is one of the most famous labor union leaders in the world. His family lost their farm in 1937 and became migrant farmworkers. His dissatisfaction with the way migrant farmworkers were treated led to his nonviolent fight for dignity and fairness for farmworkers everywhere. 塞萨尔查韦斯是世界上最著名的工会领袖之一。 他的家人在 1937 年失去了他们的农场，成为农民工。 他对农民工待遇的不满导致了他为各地农民工

适合年龄 10岁左右 绘本简介 The Legacy of da Vinci is an informational book about the life of Leonardo da Vinci. Although he might be best known for artistic works such as The Mona Lisa and The Last Supper, da Vinci was also an avid inventor. His lifelong curiosity and observation of the world around him led him to develop ideas for such objects as clocks, cameras, helicopters, hydraulics

适合年龄 10岁左右 绘本简介 From the east, four Haida (HY-duh) war canoes approached the island. They bobbed in the choppy water of the strait. On the rocky shore, young Squawally watched with excitement. The warriors—more than a hundred of them—had been gone for three days. Now they whooped triumphantly as they paddled the long cedar dugouts into shore, their tattooed bodies

适合年龄 10岁左右 绘本简介 The Great Hunger informs readers about the famine that swept across Ireland during the mid-1800s. Potato blight left poor tenant farmers with nothing to feed their families, but they were still forced to work the land and export grain to their landlords in Britain. Over the course of sixteen grueling years, Ireland's population dropped from over 8.5 million to

适合年龄 10岁左右 绘本简介 Would you stand for a tyrant king who took your money and land as he pleased? Travel to medieval England and read about barons who organized for freedom. Read more about the Great Charter, a document that upholds the principle that no one is above the law. Vivid illustrations, timelines, and maps support the text as students learn about author's purpose and p

适合年龄 10岁左右 绘本简介 In this exciting interview, Todd Cupell, a wildland firefighter in Arizona, recounts the most intense, frightening, and rewarding moments on the job fighting wildfires. Readers will enjoy the down-to-earth details and adventurous stories of this informative interview. 在这次激动人心的采访中，亚利桑那州的一名野地消防员托德·库佩尔 (Todd Cupell) 讲述了在扑灭野火的工作中最紧张、最令人恐惧和最有意义的时刻。 读者将喜欢这次内容丰富

适合年龄 10岁左右 绘本简介 Another adventure in The Hollow Kids series finds Qynn, Uncle Jasper, Seth, and Odie exploring the Queen's castle in search of their missing friends. During their exploration, they encounter a talking cat who claims to want to help them. Can they trust this strange creature? The book can also be used to teach students how to sequence events and to recognize and

适合年龄 10岁左右 绘本简介 We depend on honeybees to pollinate the plants that produce our food. Beekeepers, farmers, and scientists want to know why honeybees started vanishing in the last decade. The Case of the Disappearing Honeybees explores the mystery of colony collapse disorder (CCD), a worldwide problem that results in millions of honeybees disappearing without a trace every year

适合年龄 10岁左右 绘本简介 King Richard III ruled England over five hundred years ago, but researchers only recently found his grave under a parking lot in Leicester, England. In The Bones of a King, students will learn about the controversies surrounding Richard III's time on the throne, his death, and how he was later portrayed as well as how scientists confirmed the identity of the re

适合年龄 10岁左右 绘本简介 This introduction to picture taking is loaded with information about cameras, film, composition, and fun photography projects. It also gives students a history of photography and an overview of how cameras work, how film is developed, and the fun of digital cameras. Each photography tip is accompanied by photos showing the dos, and humorous don'ts, of picture t

适合年龄 10岁左右 绘本简介 The human brain is an amazing organ. It controls every part of the body, from breathing to writing a symphony. In The Amazing Brain, students will learn how different parts of the brain perform different functions, the methods scientists use to learn more about the body's incredible control center, and most importantly, how to care for their own brains. Student

适合年龄 10岁左右 绘本简介 The Norse people lived in northern Europe between 700 and 1100 CE, and they had many myths about gods and goddesses living in a sky-world called Asgard. In Stories from Asgard: Norse Myths, students are introduced to some of these classic myths, including the story of how Thor received his mighty hammer. Trickery, battles, and shape-shifting will keep students'

适合年龄 10岁左右 绘本简介 The desire to be the best has driven some of the greatest athletes to ruin their reputations, careers, and often their bodies by taking steroids. While touching on a few of these stories, this informational book explains what steroids are, how they affect the human body, and why they are dangerous when abused. 成为最好的渴望驱使一些最伟大的运动员通过服用类固醇来毁掉他们的名誉、职业，甚至身体。 在涉

适合年龄 10岁左右 绘本简介 Because of Spain's location, its culture has been influenced by people all around the world. Students can learn about this amazing country with this book. 由于西班牙的地理位置，其文化受到了世界各地人们的影响。 学生可以通过这本书了解这个神奇的国家。 RAZ有严密的分级体系：根据全文词汇数、高频词词汇数与比例、低频词词汇数与比例、句子长度、句子复杂度、句式、插图信息量、思想深度、主题等多个角度，将整个阅读体系分为aa，A-Z共27个级别。 RAZ旨在帮助孩子找到适合孩子水平的级别，通过在同一级别下的大量阅读逐步提高孩

适合年龄 10岁左右 绘本简介 Imagine being an astronaut and blasting off into outer space . . . that's the dream of many students who attend space camp each summer! Space Camp gives students a glimpse into these amazing camps and the experiences they have to offer. Detailed information and helpful graphics will keep students engaged with this exciting topic. This book can also be used to t

适合年龄 10岁左右 绘本简介 South Korea has grown from an agricultural society to a technologically advanced world power. Students can explore how its people accomplished this, along with lots of other fascinating pieces of information in this exciting book. 韩国已从农业社会发展成为技术先进的世界强国。 学生可以在这本激动人心的书中探索其员工如何实现这一目标，以及许多其他引人入胜的信息。 RAZ有严密的分级体系：根据全文词汇数、高频词词汇数与比例、低频词词汇数与比例、句子长度、句子

适合年龄 10岁左右 绘本简介 Ships of Discovery is an informational book about the types of boats that explorers built and used when discovering new lands. Ships and conquests of Polynesian, Viking, European, and Chinese explorers are explained. The author also describes the people who set out to sea as well as their motivations for going. Illustrations and maps support the text. Shi