The Fueless Engine
Richard Stettenbenz
Mathematics for Engineers: A Modern Interactive Approach
Anthony Croft & Robert Davison
Fallacies and Argument Appraisal
Christopher W. Tindale
An Introduction to Mathematical Logic - Lecture
Wolfram Pohlers & Thomas Glaß
Philosophy of Dreams
Sri Swami Sivananda
A Critical Analysis of the Jhanas in Theravada Buddhist Meditation
Henepola Gunaratana