Originally published in 1925, when it was published, this book was intended to give an up to date, concise account of the aim and methods of science with regards to Psychology. It contains chapters on various scientific methods such as the Evolutionary or Genetic Method, the Method of Difference and The Method of Residues, and chapters on probability and the laws of nature.

First published in 1999. This is Volume XVI of twenty-one of a series on Cognitive Psychology. Written in 1926, considered from a philosophic viewpoint, this is an English translation of Professor Rignano's work, Biological Memory," which gives an exhaustive analysis of the differences which distinguish living from non-living substance and his attempts to account for these differences as the manifold effects of a single quality.

In The Last Temptation of Max Gold, it's god who visits Earth. Over the course of 4 days and 4 nights, god challenges and tempts Max Gold's resoluteness. With the aid of a few cases of Corona and a carton of cigarettes, Max Gold supports and defends the logic imparted to him from Satan. Upon realizing his futility, god vanishes and humanity's salvation finally becomes a possibility.