It is the year 12,020 G.E. and Emperor Cleon I sits uneasily on the Imperial throne of Trantor. Here in the great multidomed capital of the Galactic Empire, forty billion people have created a civilization of unimaginable technological and cultural complexity. Yet Cleon knows there are those who would see him fall - those whom he would destroy if only he could read the future. ...(展开全部)

In this lively and stimulating account, noted mathematician and educator W. W. Sawyer (Professor Emeritus, University of Toronto) defines mathematics as "the classification and study of all possible patterns." It is a broad definition, but one that seems appropriate to the great scope and depth of the topic. Indeed, mathematics seems to have few boundaries, either in applicatio...(展开全部)

In this lively and stimulating account, noted mathematician and educator W. W. Sawyer (Professor Emeritus, University of Toronto) defines mathematics as "the classification and study of all possible patterns." It is a broad definition, but one that seems appropriate to the great scope and depth of the topic. Indeed, mathematics seems to have few boundaries, either in applicatio...(展开全部)

His eyes were open now, watching the path of the tiny flame. If you continue your path, little spark, you will cause great harm.I must burn! I must live!There are places where your glow and heat are welcome. Find them, do not destroy the dwellings or take the lives of my people!For a second, he seemed to wink out of existence but then blazed back with renewed vigor.Thrall knew ...(展开全部)

The SARS epidemic of 2003 was one of the most serious public health crises of our times. The event, which lasted only a few months, is best seen as a warning shot, a wake-up call for public health professionals, security officials, economic planners, and policy makers everywhere. SARS (Severe Acute Respiratory Syndrome) is one of the “new” epidemics. SARS in China addresses the...(展开全部)

The editors: Arthur Kleinman is Esther and Sidney Rabb Professor and Chair of the Department of Anthropology, Harvard University, and Professor of Medical Anthropology and Social Medicine at the Harvard Medical School. James L. Watson is Fairbank Professor of Chinese Society and Professor of Anthropology at Harvard University. He is also the author of Golden Arches East: McDona...(展开全部)

The first volume in Issac Asimov's world-famous saga, winner of the Hugo Award for Best All-Time Novel Series.

●作者简介 汉密尔顿•达尔比•佩里（Hamilton Darby Perry，1924-2009），美国军事史学者。毕业于普林斯顿大学，第二次世界大战期间，曾于美国海军服役，获得过嘉奖。退役后从事 文稿写作，担任过多家媒体的记者、出版人，著有《“帕内”号疑云》《利比•霍尔曼》等多部非虚构类图书。 ●译者简介 汪伟，独立制作人、编剧、导演， 1990年毕业于国际关系学院，1998年毕业于北京电影学院，获电影学硕士学位。曾任中央电视台电影频道《世界电影之旅》制作总监，拍摄纪录片作品《霞客行》 等。

Isaac Asimov's Foundation novels are one of the great masterworks of science fiction. As unsurpassed blend of nonstop action, daring ideas, and extensive world-building, they chronicle the struggle of a courageous group of men and women dedicated to preserving humanity's light in a galaxy plunged into a nightmare of ignorance and violence thirty thousand years long. After yea...(展开全部)

他所深爱的平凡日常，在生日这天被彻底“抹除”。同学、街道、甚至回忆，都像被橡皮擦去般无声消失。 他所熟悉的钟表匠父亲与书店管理员母亲，竟是守护时空秩序的“维序者”。而此刻，吞噬一切的“虚无”正汹涌而来。“忘记我们，活下去。”这是父母最后的爱...