Permutations Made Easy by H. J. Fourie
H. J. Fourie & Mr H J Fourie Esq
An Introduction to the Philosophy of Time and Space
Bas C. van Fraassen
The Complete Enneagram: 27 Paths to Greater Self-Knowledge
Beatrice Chestnut
The Problems of Philosophy
Bertrand Russell
The Dream of Reason
Anthony Gottlieb
A Critical Analysis of the Jhanas in Theravada Buddhist Meditation
Henepola Gunaratana