Critical thinking, Logic and Problem Solving - 4 in 1
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The Celtic Languages
Donald MacAulay
A Study of Gurdjieff's Teaching
Kenneth Walker
An Introduction to Sociolinguistics
Janet Holmes & Nick Wilson
Solitons, Instantons, and Twistors
Maciej Dunajski
Fractal Time: The Secret of 2012 and a New World Age
Gregg Braden
The God Code:The Secret of Our Past, the Promise of Our Future