All atomic particles have a particular "spin," analogous to the rotation of the Earth about its axis. Simple as spin may sound, the quantum mechanical reality underlying it is complex and still poorly understood. Yet this mysterious quality and the statistics associated with it have vast practical importance to topics as wide-ranging as the stability of atoms and stars and magn...(展开全部)

Award-winning picture book star Oliver Jeffers explores themes of love and loss in this life-affirming, uplifting tale, due to be featured in a major motion picture. Once there was a girl who was full of wonderment at how the world worked. She shared all her dreams and excitement with her father, who always had the answer to every question. That is until one day when his chair ...(展开全部)

There is a wonder and magic to childhood. We don’t realize it at the time, of course . . . yet the adults in our lives do. They encourage us to see things in the stars, to find joy in colors and laughter as we play. But what happens when that special someone who encourages such wonder and magic is no longer around? We can hide, we can place our heart in a bottle and grow up . ...(展开全部)

One night in October when he was ten years old, Tyler Dupree stood in his back yard and watched the stars go out. They all flared into brilliance at once, then disappeared, replaced by a flat, empty black barrier. He and his best friends, Jason and Diane Lawton, had seen what became known as the Big Blackout. It would shape their lives. The effect is worldwide. The sun is now a...(展开全部)

One night in October when he was ten years old, Tyler Dupree stood in his back yard and watched the stars go out. They all flared into brilliance at once, then disappeared, replaced by a flat, empty black barrier. He and his best friends, Jason and Diane Lawton, had seen what became known as the Big Blackout. It would shape their lives. The effect is worldwide. The sun is now a...(展开全部)

简介：一次意外导致林越来到了异世界。“勇者大人，一起拯救世界吧！”就这样，林越开（不）开（情）心（不）心（愿）地与少年开始了冒险生活。可是，一次次的冒险中却隐藏着什么……ps:辣鸡文笔，个人原因导致文章呈现一种比较压抑的感觉，不喜欢的小朋友注意一下，希望大佬能够提提意见，谢谢！这篇文只是试试水，不会很长，可能五万字左右完结，埋了一下伏笔希望大结局后大家能够找找看！

What makes success in major sales? How do some salespeople consistently outsell their competition? Why do techniques like closing work in small sales but fail in larger ones? How can salespeople dramatically increase their sales volume from major accounts? Now you can find answers to all these questions with the SPIN strategy.

This book offers a systematic and comprehensive presentation of the concepts of a spin manifold, spinor fields, Dirac operators, and A-genera, which, over the last two decades, have come to play a significant role in many areas of modern mathematics. Since the deeper applications of these ideas require various general forms of the Atiyah-Singer Index Theorem, the theorems and t...(展开全部)

In the dawning light of a late-summer morning, the people of lower Manhattan stand hushed, staring up in disbelief at the Twin Towers. It is August 1974, and a mysterious tightrope walker is running, dancing, leaping between the towers, suspended a quarter mile above the ground. In the streets below, a slew of ordinary lives become extraordinary in bestselling novelist Colum Mc...(展开全部)