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The Thinker's Guide Library

Set of 22 Guides.

Only $259.95

Also available individually.
Millions in circulation worldwide!


Critical thinking is a desire to seek, patience to doubt, fondness to meditate, slowness to assert, readiness to consider, carefulness to dispose and set in order; and hatred for every kind of imposture.

~ Francis Bacon (1605)

OUR MISSION

The Foundation and Center for Critical Thinking aim
to improve education in colleges, universities and primary
through secondary schools. Read more.

international translations