This classic work, originally published in 1950, was a landmark in the development of the subject of tribology. When it was first published, one reviewer wrote that it 'marks the beginning of a new epoch in the study of friction and lubrication ...The most interesting and comprehensive work on a si[...]

This fascinating examination of the earliest years of Christianity reveals sharply competing ideas about the significance of Jesus and his teachings and shows how the man we call St. Paul shaped Christianity as we know it today. Historians know almost nothing about the two decades following the cruc[...]

Does Marxism equal totalitarianism? Are the ideas of Karl Marx and Frederick Engels somehow responsible for the horrors of Communism? Or were Communist societies simply an aberration - the result of a profound misreading of Marxian concepts, the unfortunate outcome of objective conditions, or the wo[...]

With the success of Paul's desire to impose his vision for the Church, the true teachings of Jesus - as preserved by his family and disciples - were forced into hiding. This clandestine movement was seen in such early groups as the Nazarenes, Ebionites and Elkesaites but is generally thought to have[...]