The Foundation for Critical Thinking is a 501c3 nonprofit organization. For 35 years we have argued for a fairminded conception of critical thinking in education and society. Please champion the work of the FCT through a contribution or purchase of our educational materials. Since our inception, we have avoided opening our website to outside advertisers and marketers, but do need your support as we continue our work in advancing critical societies. Add your contribution to a more fair and just world through a direct contribution or purchase of materials for use in your instruction or other parts of your life. Purchase one of our critical thinking books for a friend or colleague - or choose one of our Thinker's Guides Sets from our Thinker's Guides Library.