The Principles of Psychology, Vol. 2 - Hardcoverby William James (Author) The Principles of Psychology is a two volume introduction to the study of the human mind. Based on his classroom lessons and first published in 1890, James has gathered together what he feels to be the most interesting and most accessible information for the beginning student. Psychology, according to James, deals with thoughts and feelings as its facts and does not attempt to determine where such things come from. This would