• Dispells many myths about Blitzkrieg Uses the experiences of the ordinary soldiers based on Unpublished sources The successes of the German Blitzkrieg in 1939-41 were as surprising as they were swift. Allied decision-makers wanted to discover the secret to German success quickly, even though only partial, incomplete information was available to them. The false conclusions dra...(展开全部)

This book describes the step-by-step process of writing a ray tracer from scratch. Using numerous examples that illustrate the ray-tracing concept and processes in detail, the author presents a ray-tracer design and sample code that allows for extensibility, efficiency of the algorithms, and readability. Chapters begin with stated aims and include questions and exercises that a...(展开全部)

This book describes the step-by-step process of writing a ray tracer from scratch. Using numerous examples that illustrate the ray-tracing concept and processes in detail, the author presents a ray-tracer design and sample code that allows for extensibility, efficiency of the algorithms, and readability. Chapters begin with stated aims and include questions and exercises that a...(展开全部)

戴芙妮•米勒 是哈佛大学医学博士，著名医师，兼加州大学医学教授。同时，她还是一名颇受欢迎的作家，为《华盛顿邮报》等媒体撰写专栏文章。过去十年，她的教学与写作都在探讨生物医学和自然科学的前沿问题。 当她面临诸多患者的病症难题，无法在传统医疗找到完整且令人信服的诊疗方案时，开始关注农业生态与人体之间的联系，她深入全球各地的传统社区及农场，探寻健康与自然之间关系，并撰写了这本《重新认识身体》，开启了全新的健康理念，受到医学界广泛关注，在美国引发了一场全新的生活方式的改变。

本书为公版书，为不受著作权法限制的作家、艺术家及其它人士发布的作品，供广大读者阅读交流。汇聚授权电子版权。

In Up from Slavery , Washington recounts the story of his life—from slave to educator. The early sections deal with his upbringing as a slave and his efforts to get an education. Washington details his transition from student to teacher, and outlines his own development as an educator and founder of the Tuskegee Institute in Alabama. In the final chapters of Up From Slavery ,...(展开全部)

If anything marks the image, it is a deep ambivalence. Denounced as superficial, illusory, and groundless, images are at the same time attributed with exorbitant power and assigned a privileged relation to truth. Mistrusted by philosophy, forbidden and embraced by religions, manipulated as spectacleand proliferated in the media, images never cease to present their multiple aspe...(展开全部)

By 1938, Maugham had become a legend as a playwright, novelist and magician of the short story. He then wrote The Summing Up to give some account of how he learned his craft and why he became such an acute observer of human beings.

Impelled by the desire to recapitulate and amplify those 'subjects that have chiefly interested me during the course of my life', Somerset Maugham wrote The Summing Up when he was sixty-four. Autobiographical without being an autobiography, confessional without disclosing the private self, The Summing Up is one of the most highly regarded expressions of a personal credo. It...(展开全部)

Every Sunday Mrs Badger walks up the mountain near her house. She knows the name of every animal and every plant on the way and helps everyone in need. One particular Sunday she meets a little cat, Leo, who would like to join her on her journey. This is the beginning of a beautiful friendship and many more walks up the mountain. What will happen when Mrs Badger is too old to jo...(展开全部)