艾兰（Sarah Allam） 著名汉学家。1945年出生于美国，1974年获加利福尼亚大学伯克莱分校博士学位。1972年始任教于英国伦敦大学亚非学院（SOAS），现为美国达慕思大学（Dartmouth College）“中国研究”讲座教授。主要从事甲骨文、青铜器、竹简的研究，并教授中国古代哲学文献，对先秦的文献、考古、思想和文化颇多涉猎。

Plastic is ubiquitous. It is in the Arctic, the depths of the Mariana Trench, and in the high mountaintops of the Pyrenees. It is in the air we breathe and the water we drink. Nanoplastics penetrate our cell walls. Plastic is not just any material—it is emblematic of life in the twentieth and twenty-first centuries. In Plastic Matter Heather Davis traces plastic’s relations to ...(展开全部)

Life isn't like the movies and 11-year-old Turtle is no Shirley Temple. She's smart and tough and has seen enough of the world not to expect a Hollywood ending. Afterall, it's 1935 and money and sometimes even dreams are a scarce. So when Turtle's Mother gets a job housekeeping for a lady who doesn't like kids, Turtle says goodbye and heads off to Florida to live with relatives...(展开全部)

Inspired by family stories, two-time Newbery Honor winner and New York Times bestselling author Jennifer L. Holm beautifully blends family lore with America's past in this charming gem of a novel, rich in historical detail, humor, and the unique flavors of Key West. Life isn't like the movies, and eleven-year-old Turtle is no Shirley Temple. She's smart and tough and has see...(展开全部)

艾兰（Sarah Allam） 著名汉学家。1945年出生于美国，1974年获加利福尼亚大学伯克莱分校博士学位。1972年始任教于英国伦敦大学亚非学院（SOAS），现为美国达慕思大学（Dartmouth College）“中国研究”讲座教授。主要从事甲骨文、青铜器、竹简的研究，并教授中国古代哲学文献，对先秦的文献、考古、思想和文化颇多涉猎。

Turtle Geometry presents an innovative program of mathematical discovery that demonstrates how the effective use of personal computers can profoundly change the nature of a student's contact with mathematics. Using this book and a few simple computer programs, students can explore the properties of space by following an imaginary turtle across the screen.The concept of turtle g...(展开全部)

The payment card business has evolved from its inception in the 1950s as a way to handle payment for expense-account lunches (the Diners Club card) into today's complex, sprawling industry that drives trillions of dollars in transaction volume each year.Paying with Plastic is the definitive source on an industry that has revolutionized the way we borrow and spend. More than a h...(展开全部)

在线阅读本书 Book Description After 25 years, the Turtles come out of their shells "I could teach a turtle to trade." While sightseeing at a turtle farm, legendary commodities trader Richard Dennis bet Bill Eckhardt that great traders didn't have to be born - they could be taught. To settle the wager, they recruited 23 individuals from all walks of life, gave them accounts to tr...(展开全部)

在线阅读本书 Book Description After 25 years, the Turtles come out of their shells "I could teach a turtle to trade." While sightseeing at a turtle farm, legendary commodities trader Richard Dennis bet Bill Eckhardt that great traders didn't have to be born - they could be taught. To settle the wager, they recruited 23 individuals from all walks of life, gave them accounts to tr...(展开全部)