适合年龄 12岁左右 绘本简介 The Ides of March tells the story of the assassination of Julius Caesar by a group of conspirators in 44 BC. Students will be engaged with this riveting story and the accompanying detailed illustrations. This book can also be used to teach students how to identify narrative point of view as well as to retell the events of a story in the correct sequence. The bo

适合年龄 12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 pas

适合年龄 12岁左右 绘本简介 The American Civil War (1861-1865) was a long fight between two sides of the same country, with friends and brothers sometimes fighting on opposite sides. After the famous battle of Gettysburg, President Abraham Lincoln knew he needed a great speech to rally the North to finish the war and restore the Union. The Gettysburg Address provides students a comprehens

适合年龄 12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 12岁左右 绘本简介 John Thornton uses his winnings to finance an expedition to the east to look for a fabled lost mine. After much searching, the group finds a river valley rich with gold. Buck ranges farther and wider into the wild, meeting and befriending a wild wolf before returning to the camp. 约翰·桑顿 (John Thornton) 用他的奖金资助远征东部寻找传说中丢失的矿山。 经过一番寻找，一行人找到了一个盛产黄金的河谷。 巴克在野外越走

适合年龄 12岁左右 绘本简介 John Thornton nurses Buck back to health, forging a strong bond of love between them. Buck saves John Thornton from drowning in a river. Upon their return to Dawson, Buck breaks a thousand-pound sled out of the ice and pulls it one hundred yards to win a bet for Thornton. 约翰·桑顿护理巴克恢复健康，在他们之间建立了牢固的爱的纽带。 巴克救了约翰桑顿免于淹死在河里。 当他们回到道森时，巴克从冰上打破了 1000 磅重的雪橇并将它拉了一百码

适合年龄 12岁左右 绘本简介 The surviving members of the team stumble upon the camp of John Thornton. When Hal beats the exhausted Buck nearly to death, John Thornton attacks him and saves Buck. The Americans ignore John Thornton's warnings and lead the rest of the team and themselves to their doom. 幸存的小队成员偶然发现了约翰桑顿的营地。 当哈尔几乎将精疲力竭的巴克击败时，约翰·桑顿袭击了他并救了巴克。 美国人无视约翰·桑顿的警告，并带领团队的其他成员和他们自己走

适合年龄 12岁左右 绘本简介 Buck and the exhausted team arrive back in Skaguay. Though they desperately need rest, they are immediately sold to a group of Americans. Hal, Charles, and Mercedes soon prove they know nothing of sleds, dogs, or life in the rugged north. 巴克和精疲力竭的团队回到了斯卡圭。 虽然他们迫切需要休息，但他们立即被卖给了一群美国人。 哈尔、查尔斯和梅赛德斯很快证明，他们对崎岖的北方的雪橇、狗或生活一无所知。 RAZ旨在帮助孩子找到适合孩子水平的级

适合年龄 12岁左右 绘本简介 Buck claims his place as the new leader of the sled dogs. The team makes a record-setting run before being turned over to a new driver. Dave, a dog on Buck's team, grows very sick until he can't keep up and is shot. 巴克声称自己是雪橇犬的新领袖。 在被移交给新司机之前，该团队进行了创纪录的运行。 巴克团队中的一只狗戴夫病得很重，直到他跟不上并被枪杀。 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子的阅读能力。 RAZ按难度

适合年龄 12岁左右 绘本简介 Buck undermines Spitz's authority by encouraging the other dogs to revolt. After Spitz attacks Buck by surprise, the two fight to the death, with Buck emerging victorious. 巴克鼓励其他狗反抗，从而削弱了斯皮茨的权威。 在斯皮茨出其不意地袭击巴克后，两人战斗至死，巴克取得了胜利。 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子的阅读能力。 RAZ按难度分为27个级别，AA—C这4个级别对应幼儿园阶段; D—J这7个级别对应美国小学一年级;K—P这6个级别对应美国小学二

适合年龄 12岁左右 绘本简介 The rivalry between Spitz and Buck threatens to come to a head until an attack by a starving pack of huskies disrupts the entire camp. After the survivors complete a grueling run through treacherous ice fields, it's clear that it will be war between Spitz and Buck. 斯皮茨和巴克之间的竞争有可能达到顶峰，直到一群饥饿的哈士奇的袭击扰乱了整个营地。 幸存者在险恶的冰原中完成了艰苦的奔跑后，很明显这将是斯皮茨和巴克之间的战争。

适合年龄 12岁左右 绘本简介 Buck arrives at Dyea beach, Alaska, and is introduced to Spitz when the white husky mercilessly kills another dog. Under the guidance of both men and dogs, Buck learns how to work as part of the sled team. As Buck discovers the personalities of the other dogs on his team, he also learns some basic survival skills for his new environment. 巴克到达阿拉斯加的戴亚海滩，当白哈

适合年龄 12岁左右 绘本简介 Buck ranges off on his own for an extended period to hunt a huge bull moose. While he is away, Yeehat Indians raid the camp, killing all the dogs and men, including John Thornton. In a fury, Buck attacks the Indians, killing many and driving off the rest. With John Thornton dead, Buck's last tie to civilization is broken. He follows the call of the wild to beco

适合年龄 12岁左右 绘本简介 Buck the dog is stolen from his comfortable life on Judge Miller's estate in California and sent north on a train to Seattle. Once Buck arrives at his destination, a man in a red sweater beats him with a club to teach him submission. The man in the red sweater then sells Buck to Perrault, the driver of a sled dog team for the Canadian government. Perrault and h

适合年龄 12岁左右 绘本简介 In Europe, during the late 1700s, frenzy and fascination swirled around the possibility of traveling by air. The Montgolfier brothers were at the forefront of this movement, creating the first-ever hot-air balloon. The Balloon Brothers details the science and the history of these ingenious brothers along with other inventors and brave souls who made air travel

适合年龄 12岁左右 绘本简介 Phytoplankton, the most universally eaten organism in the sea, takes readers through the various ocean layers. The Amazing Undersea Food Web reveals how ocean organisms are linked through the intricate food web. The book can also be used to teach students how to distinguish fact or opinion and the proper use of commas in a series. The books and lesson are avail

适合年龄 12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 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 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 Z1.