Shifting Sands of Marxism -- Book

Where do these tenets of Marx's views stand among the Marxists and the broader left today? It is barely a lip service to the prophet. In maintaining Marx's "materialist" view his disciples are hardly any different from the Christians and Moslems who have tried to decipher the principles of mathematics and physics from the pages of Bible and Qur'an, and with every new scientific advancement they belabor to justify their holy books.